trek powerfly 9.7

Trek Powerfly 2019 Review – now with a carbon frame and fully-integrated battery

The Trek Powerfly has become a true eMTB classic and has undergone several updates over the years. To keep up with the competition for the new season Trek equipped the latest version of their popular bike with an integrated battery and also introduced two fine carbon versions of the Powerfly LT. Here you’ll find all the details!

A few years back Trek did a great job and gave the Powerfly a well thought-out and very well balanced geometry — which once again fully convinced us in our latest test . Sure there are more nimble bikes on the market but the new Powerfly strikes a great balance between uphill and downhill performance. For the new season Trek sticks to the proven geometry and rear-end of the previous version but ads a fully integrated, removable battery. On top of this the new model is available in two carbon versions and the spec has been optimised too. All Plus models are now rolling on sturdy, grippy Bontrager XR4 tires and all Powerfly LT models feature powerful four-piston brakes.

Here are the highlights of the 2018 Powerfly line up at a glance:

– New fully integrated, removable battery – Two Powerfly LT carbon models – eMTB-specific fork on all Powerfly LT models – Four-piston brakes on all LT models – Bontrager XR4 tires on all Plus models – More colour options – SRAM Eagle groupset on some models – Robust RockShox Revelation on the Powerfly FS7 model – Updated Bontrager Line dropper – Powerfly Sport-Hardtail with lights and mudguards

 Trek RIB: probably the best fully-integrated and removable battery on the market

There is a vast choice of eMTBs with integrated battery on the market but only a few systems are thoroughly thought-out and refined down to the last detail. Some bikes come with super long batteries, on others the battery can’t be locked and can only be removed with the help of tools. And then there are systems made up of several parts (battery and cover). A battery can weigh up to 4 kg so when you remove it you have to be really careful not to drop it on the floor and break it.

You can tell that the engineers at Trek gave the development of the RIB system (removable integrated battery) a lot of thought. The battery and the cover are one solid unit and the 500 Wh Bosch Powertube battery can be removed to the right hand-side. The system makes sense as most of us tend to lay their bike on its left side to avoid damage to the rear derailleur. Once you released the battery with the key it will pop out by a few centimetres; after depressing the big button you can remove the battery completely. An integrated handle makes the whole procedure easier – what an ingenious system! In addition the new integration allows you to place a bottle cage and a large drinking bottle in the main frame triangle.

The new carbon frame allows for less weight and sleeker integration

The new carbon frame proves just how much Trek believed in the geometry of the previous Powerfly LT model. The Americans could have revised the geometry for the latest update of the Powerfly but decided to stick to the familiar and very popular concept instead. Therefore the main advantages of the new carbon frame are a weight reduction of around 650 g and the significantly sleeker integration and appearance of the bike. Trek has equipped the top tube with a mounting option for a Wolftooth B-RAD system. The system allows you to quickly attach either an inner-tube or a tool to the bike and forget about carrying uncomfortable backpacks on short rides. In typical Trek style all Powerfly models come with a RE:aktiv rear-shock and ABP-link which keeps the suspension fully active even under braking. The geometry can be adjusted between two positions via a flip chip.

Revised spec for the Trek Powerfly LT Alu

Even if you won’t buy one of the carbon versions with the Powerfly LT you’ll get quite a few performance upgrades in the coming season. In addition to the battery integration Trek has adapted the spec of the bikes. All Powerfly LT models feature an eBike-specific fork and powerful four-piston brakes. Trek also redesigned the Bontrager Line dropper seat post and used the new SRAM Eagle groupset. Compared to the cheaper Schwalbe Nobby Nic Performance tires the new Bontrager XR4 offer noticeably more grip and puncture protection.

The Trek Powerfly LT 2018 on the Trail

We had the opportunity to test the Powerfly LT 9 at Trek’s launch-event on the gorgeous and varied trails in the Swiss Heidi-Land. Compared to the previous model the handling of the new version has changed very little. The better grip of the new tires might be the most noticeable change on the new version of the Powerfly. Like its predecessor the new Powerfly is a confident climber. The steep seat angle and rather long chainstays will get you at the top of steep climbs without a problem.

On the downhill the Powerfly feels safe and balanced. It’s not the nimblest bike out there but it’s still very easy to ride. You won’t have to shift your body weight too much to get good grip on both wheels and the bike will always feel pleasantly predictable. But if you’re looking for a very lively super nimble bike the Powerfly might not be able to fully satisfy you. Quick direction changes and narrow sections require a very proactive riding style and quite a lot of strength.

Our take on the new Trek Powerfly LT

Good stuff made better! Trek didn’t reinvent the wheel but the new Powerfly is a better version of the popular bike with many added improvements. The handling is very similar to the previous version. However you can clearly feel the performance upgrade of the tires. Unfortunately we didn’t get the chance to ride the new carbon version yet but even just the look of it has already convinced us. We’re not sure whether the carbon upgrade is worth the extra money but since our purchasing decisions are often driven by aesthetics and emotions we think that the new Powerfly Carbon will have certainly find many fans.

For more information head to the second page or to trekbikes.com

Inhaltsübersicht

• Trek Powerfly 2018 Review
• Trek Powerfly Models, Specs & Prices

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Trek Powerfly 9.7 LT Plus

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Colour / Dnister Black/Rage Red

Size / 15.5, 17.5, 18.5, 19.5, 21.5

Weight / 51 lb 1.7 oz (23,180 g)

At a glance

ABP (Active Braking Pivot), Knock Block steerer stop, Integrated frame protection and motor guard, Internal cable routing

Where To Buy

Specifications

• Frame OCLV Mountain Carbon main frame, alloy stays
• Fork RockShox Yari RL, DebonAir, Motion Control RL damper, boost 110, 51mm offset, 160mm
• Shock RockShox Deluxe RL, 205mm x 57.5mm
• Motor Bosch Performance CX
• Battery Bosch PowerTube, 500 Wh
• Hubs Rapid Drive, boost 110mm front, boost 148mm rear
• Wheels Bontrager Line Comp 40, tubeless ready, tubeless strips included, valves sold separately
• Wheel Size 27.5"
• Spokes DT Swiss Nailhead 14/15G spokes with Alpina alloy locking nipples
• Tires Bontrager XR4 Team Issue, Inner Strength sidewalls, 120 tpi, aramid bead, 27.5 x 2.80
• Chain 474mm, N/A, 15 tooth with chainguard, SRAM NX Eagle, 12-speed
• Crank Race Face Aeffect
• Bottom Bracket 6mm drop
• Rear Derailleur SRAM NX Eagle
• Shifters SRAM NX Eagle single-click, 12-speed
• Brakeset Shimano MT520 4-piston hydraulic disc, Shimano MT520
• Handlebar Bontrager Rhythm Comp, 31.8mm diameter, 15mm rise, 780mm width
• Saddle Bontrager Arvada
• Seatpost Bontrager dropper post, internal routing, 31.6mm, Standard single bolt, 31.6mm, Standard single bolt
• Stem Bontrager Rhythm Comp, Knock Block, 31.8mm clamp, 0 degree
• Grips Bontrager XR Trail Comp, nylon lock-on
• Headset Knock Block Integrated, sealed cartridge bearing

Q: How much is a 2019 Trek Powerfly 9.7 LT Plus?

A 2019 Trek Powerfly 9.7 LT Plus is typically priced around $5,999 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2019 Trek Powerfly 9.7 LT Plus?

The 2019 Trek Powerfly 9.7 LT Plus may be purchased directly from Trek .

Q: How much does a 2019 Trek Powerfly 9.7 LT Plus weigh?

A 2019 Trek Powerfly 9.7 LT Plus weights 51 lb 1.7 oz (23,180 g).

Q: What size wheels does the 2019 Trek Powerfly 9.7 LT Plus have?

The 2019 Trek Powerfly 9.7 LT Plus has 27.5" wheels.

Q: What size 2019 Trek Powerfly 9.7 LT Plus should I get?

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Trek Powerfly LT 9 first ride review

Trek's longer travel e-MTB has been updated

Sterling Lawrence / Trek

Trek’s e-MTB Powerfly line-up is rather large, covering hardtails, women’s bikes, 130mm full suspension models and even one that looks great for commuting. But it’s the 150/160mm LT versions that interest us most — after all, bigger is better.

Trek is adding OCLV carbon models to the LT range of bikes this year, but the LT 9 looks to be one of the choice models in the range.

• Trek add carbon and better integration with the new Powerfly range
• Why you should care about e-bikes

The Trek Powerfly LT 9 is its top-level longer travel e-MTB

Trek powerfly lt 9 frame.

The frame features Trek's new side-loading integrated battery (RIB), which pops out of the driveside of the down tube. The company believes riders tend to lean their bike on the floor on the non-driveside when they take the battery out of the bike, so this makes life more simple.

The battery also has a flip-out handle to make it easier to carry around, plus removal of the battery is tool-free.

The frame’s geometry includes a long 475mm chainstay. This, Trek says, is to aid technical climbing, because the front wheel is less prone to lifting. At the front, the 19.5in size (effectively Large) comes with a 448mm reach in the bike’s low setting (I generally never bother with a high setting anyway).

This is fairly short for the size of the bike, but still gives a 1,251mm wheelbase, which is on the long side. The head angle is a slackish 65.5 degrees and the effective seat angle is also slack at 73 degrees. The bottom bracket sits at a height of 344mm.

Trek uses its ABP suspension linkage on the Powerfly LT. The rear pivot is concentric to the rear axle, and there’s a rocker link driving the shock, which sits fixed at its other end to the frame (as opposed to it being a full-floater design as found on some other Trek bikes).

There are some nice design touches on the frame. The Knock Block system prevents the bars spinning too much in a crash, removing the potential for the fork crown to hit the down tube — this allows Trek to keep the down tube straight from the head tube to the bottom bracket, which should be lighter and stiffer.

There are also little rubber bump stops on the downtube, but personally I find the Knock Block system a little annoying when turning the bars for storage.

There’s room for a bottle cage, and the internal cable routing is neat. There’s a rubberised chainstay protector on the drive side, and even a kickstand mount on the non-drive. Trek has also updated the Powerfly LT to be able to accept 2.8in tyres.

Trek Powerfly LT 9 kit

This is the highest tier alloy LT and the kit seems fair for the price of the bike.

Trek use the Bosch Performance CX motor, with a 500Wh PowerTube battery. Trek believes this is the motor with the best global backup and consistence in supply.

The fork is a 160mm Fox Performance 36 with the GRIP damper and the G2 Geometry 51mm offset. The chassis is the e-bike optimised version, which is a touch stiffer (and heavier) than the standard one.

The rear suspension is controlled by a RockShox Deluxe RT3 RE:aktiv shock. This effectively has a platform that keeps the shock stable through rider inputs, but opens on impacts – the idea is that it’s good for pedalling, but is also responsive to trail debris inputs.

Bontrager’s Powerline Comp wheels are alloy and wide. They’re also DH certified, but are built with e-MTBs in mind. On the Powerfly LT 9 they’re paired with Bontrager XR4 tyres in a 2.8in width.

There’s a SRAM GX shifter, which is the e-MTB version allowing only one shift at a time, with a GX Eagle mech. The cassette is the new NX Eagle version with an 11-50t range — this is the only Eagle cassette rated for e-MTBs, hence its use. There’s then an X1 alloy crank attached to the Bosch motor.

Shimano’s new four-pot XT brakes provide the stopping power, and Bontrager provides the remainder of the finishing kit.

Trek Powerfly LT 9 ride impressions

While the Bosch motor has a number of modes, I kept the bike largely in the e-MTB mode, which is a relatively recent addition to the software.

It’s a more intuitive, natural-feeling mode than the simple Eco/Tour/Boost modes, and gives finer control of the power to the rear wheel, as it adjusts its power output between Eco, Tour and Boost automatically, depending on gradient and cadence.

The bike, with its long chanstays and chunky 2.8in tyres does climb very well. On steep climbs there’s minimal wandering or lifting from the front wheel, while the back end seems to dig in to the dirt. When things get twistier uphill, there doesn’t seem to be any noticeable disadvantage to that long rear-end either.

I like Trek’s rear suspension, the system works well on a wide range of trails, and the RE:aktiv system does seem to do a fair job of keeping the back end pretty stable. While more noticeable on a bike such as the Fuel EX , on an e-MTB, keeping things controlled is still important.

On both high-frequency chatter and big hits, the suspension remains composed, meaning the tyres are better equipped to do their job.

Up front the Performance 36 did a solid job. The e-MTB-specific chassis is stiff, and the simple GRIP damper is pretty smooth – aided by the additional mass of the bike, which always seems to make suspension feel that little bit better.

The long back end is a constant across the size ranges, and so while the front end of the large isn’t super long, it’s still a relatively balanced-feeling bike. Riders looking at smaller frames might find that length bias shifts quite far rearward as the bikes get smaller.

The integrated battery keeps the centre of mass relatively low, which is beneficial for cornering, as the bottom bracket isn’t super slammed.

While the head angle is relatively slack, it was perhaps cornering where the Powerfly LT 9 was most likely to come unstuck, and that’s just because I found the XR4 tyre a little too rounded for my tastes — there’s not a super-aggressive shoulder tread, so the front wheel didn’t always have that much bite when leaned over.

Stop-and-go functionality from Shimano’s bigger XT brakes and SRAM’s Eagle group was as competent as ever too. I had no bite-point issues with the XT brakes, and the single shift GX Eagle shifter makes a lot of sense on an e-MTB.

Bontrager’s finishing kit is as good as it ever is, though I was happy to hear there’s been an update on the Line dropper post, which Trek says should be more durable and serviceable.

Trek Powerfly LT 9 ride early verdict

Improving integration of the battery makes the Powerfly LT 9 a really smart proposition. If you’re looking for a long enduro-focused e-MTB then you might be looking elsewhere, but this is a well-balanced bike that still feels comfortable when you let off the brakes and let gravity do its thing.

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TESTED: Trek Powerfly LT 9.7

The trek powerfly lt 9.7 is a carbon fibre emtb that is ready to charge..

Trek has come quite a long way from the big red barn in rural Wisconsin, and its mountain bikes have always been solid performers. Trek makes a vast range of eBikes, covering everything from hardtails and commuters to our test subject, the Powerfly LT 9.7 .

The LT 9.7 is the king of the castle, sitting at the tippy top of Trek AU's range of eMTBs (until the Trek Rail is available), with a carbon frame and plenty of squish, the brand say it's up to the task for burly singletrack and big backcountry adventures.

Initial Impressions

When I collected the Powerfly LT 9.7 from Trek’s Canberra office, the first thing I noticed was how long the bike was. With a wheelbase of 1235mm in my size M/L tester, it was nearly too long for the wheel trays on the Yakima FoldClick 2 hitch rack I’d brought with me — a decent portion of this length comes from the 475mm chainstays. While some eMTB’s have extended stays due to the motor configuration, Trek says the length was intentional on the Powerfly. Trek believes that part of the novelty of eMTBs is the ability to mountain goat up steep terrain you couldn't push up on a standard trail bike, and the extra length was to provide traction and stability when climbing.

The next thing I noticed was the 23.3kg weight as I lifted the bike onto the rack, which makes it a hair heavier than the YT Decoy and Norco Sight VLT 2 .

The mainframe Trek’s top-end OCLV carbon fibre, with the 500Wh Bosch PowerTube battery neatly integrated into the downtube using the brand’s RIB (Removable Integrated Battery) system, it looks clean and frees up space in the front triangle for a bottle cage. The battery has a flip-out handle, and removal is tool-free.

At the cranks, Trek has specced a Bosch Performance CX drive unit that can provide up to 250W and 75nm of pedal-assist controlled from a bar-mounted headunit.

Clicking through the gears is a SRAM GX Eagle shifter, though it’s an eMTB version that only allows one shift at a time to prevent you from snapping chains like dry pasta. The cassette is also a burly eMTB rated cluster with cogs from 11 to 50t.

Trek calls the paint job Dnister black and Rage red, and it amounts to a stealthy looking ride. With a 65.5-degree head angle and 73.5-degree effective seat angle (low mode), the reach in our size ML Tester is 435mm, and the stack is 607mm. There is a pivot based flip-chip in the rocker that steepens the seat and head angle by half a degree and brings the bottom bracket up have a cm. This could be perfect if you have a lot of flatter rocky terrain where pedal strikes can be a problem.

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2020 Trek Powerfly LT 9.7 G2 Electric MTB Black/Red

High performance, out of stock.

Long Travel EBike

A long travel design allows you to hit harder stuff with more confidence.

Carbon Frame

The lightweight carbon frame allows you to be more playful on the trail while staying strong and durable.

Dialed Assistance

The multiple assistance levels allow you to dial the assistance you need to make it up any hill.

4 Piston Brakes

4 Piston Shimano brakes allows you to brake harder and stop faster.

• DESCRIPTION

DESCRIPTION +

The Powerfly LT 9.7 is an OCLV Mountain Carbon electric mountain bike with long-travel suspension and a high-end parts spec. This high-performance e-MTB is built to take you into the wild unknown to rip up and down whatever mountains you can find. Plus, Trek's Removable Integrated Battery (RIB) system gives you better balance and protection on the trail, great looks and exceptional ease of use.

It's right for you if...

Rugged terrain, wild trails and big adventures are the stuff that gets your heart racing. You're looking for an e-MTB with the major performance upgrade of a carbon frame, and you want a high-quality parts spec and suspension package to match.

The tech you get

A lightweight and trail-tough OCLV Mountain Carbon main frame that fully encases a long-range 500 Wh battery for great aesthetics and protection on the trail, a powerful Bosch Performance CX 250W drive system that helps you sustain speeds of up to 32km/h and an ergonomic Purion controller. Plus, a 160mm RockShox Yari RL fork with plush DebonAir spring, 150mm of rear travel with a RockShox Deluxe RL shock, Tubeless Ready Bontrager Line Comp 40 wheels, grippy 27.5+ mid-fat tyres, a dropper post, 1x12 SRAM NX Eagle drivetrain and Shimano four-piston hydraulic brakes for extra stopping power.

The final word

For all the performance advantages of Powerfly LT 9.7's trail-ready spec, it's the lightweight OCLV Mountain Carbon main frame that sets it apart from others. It's lighter, faster and has the good looks worthy of a trail bike of this calibre.

Why you'll love it

• OCLV Mountain Carbon main frame with alloy stays make for a bike that's light and trail-tough
• Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy to remove the battery without tools and lets you mount a water bottle cage – even on full suspension e-MTBs
• Longer travel suspension and 27.5+ mid-fat tyres are the perfect combination for traction, stability and capability on rough trails
• The Purion controller has Walk Assist and an intelligent eMTB mode that automatically delivers the right amount of power based on your terrain
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Tested: Trek Powerfly LT9

The not-so-minor details.

Trek Powerfly LT 9

https://www.trekbikes.com/au/en_AU/

An incredible technical climber. Built tough! Smooth power delivery. Excellent Bosch eMTB motor mode.

Slow speed manoeuvrability isn't great. Quite heavy.

This isn’t the first time you’ve ridden this bike, right?

Correct. We attended the launch of this bike last year , but we always prefer to test bikes on home soil in Australian conditions. We went deep on the tech details, so make sure you take a look at our First Impressions piece and video here for all the nitty gritty.

In a nutshell then?

The Powerfly LT is the longest-travel eMTB in Trek’s lineup. It’s built tough, with an alloy frame (you can also get it in carbon with the 9.7 and 9.8 models), it has 150mm of rear travel with 160mm up front. It runs a Bosch Performance CX motor, powered by a 500w/h battery that can be easily removed from its down tube home.

We’ve ridden this model quite a lot actually. It joined us in the Victorian High Country on a 10-day photo shoot late in 2018, and more recently we took this bike to Orange for a couple of days of adventures . We’ve certainly come to understand what this bike is all about, and it really does have some very clear strong suits. So rather than delving into every technical detail, we’ll stick to the areas that standout.

This bike’s potency on technical climbs will have you biting off the kind of terrain where such a low gear is warranted.

The best climber in the business?

Like an unsupervised toddler, this bike will climb just about anything. We can’t think of another eMTB that will scale seemingly impossible terrain with so much aplomb. Contributing to the bike’s climbing prowess is the long rear end, which at 475mm is the longest we’ve ever ridden. Why so long? Such a long rear-centre means the front wheel doesn’t want to lift even on the steepest climbs, so you can just keep churning away at the pedals, letting the big 2.8″ Bontrager rubber do its traction making magic. You might look at the 50-tooth cog out back on this bike and wonder where on earth you’ll ever need it, but this bike’s potency on technical climbs will have you biting off the kind of terrain where such a low gear is warranted. Another key factor is the Bosch motor, which does a superb job of smooth power delivery, which leads us to our next point….

We found it incredibly useful, especially when climbing on loose terrain, where you need to carefully regulate the amount of power going to your rear wheel in order to keep traction.

That adaptive motor is bliss.

We’re well accustomed now to the performance of Bosch CX motors like the one providing the pedal-assistance here. What makes this motor standout is the clever eMTB mode. This setting is adaptive, meaning that it alters the amount of power output constantly in response to your speed, pedalling force and cadence. We found it incredibly useful, especially when climbing on loose terrain, where you need to carefully regulate the amount of power going to your rear wheel in order to keep traction. It also shone on those steep, tight switchback climbs, where you need the power to come on gently to stop the bike from surging away from you mid-corner. Then, when you want full power, you just jump on the pedals hard and the motor responds with all the grunt you need.

Ultimately we just left the bike in eMTB mode 90% of the time, not worrying about the mode shifter at all. Speaking of which, we’d love to see the Purion display moved or downsized – it’s very vulnerable up there on the top of the bars and ours got scratch up in a crash.

In slower situaitons there’s no hiding the weight of the bike, nor the impact of the long stays on its handling.

How does it handle away from the climbs?

Some eMTBs are getting pretty close to the feel and handling of a conventional mountain bike, but the Trek isn’t one of them. This bike is steam roller, and at its happiest once it’s up to speed barrelling through the rough. In slower situaitons there’s no hiding the weight of the bike, nor the impact of the long stays on its handling. All up, we think this is a bike that’s better suited to taller and stronger riders – in bigger frame sizes, the length of the rear end won’t be so pronounced, as the rear centre measurement will be more in proportion with the overall wheelbase.

Is it a negative? That depends on your riding style and preference. It’ll barrel over anything you care to point it at, scramble up the most horrendous slopes and its stability is unquestionable. But bunny hopping it, jumping it and generally riding it like your conventional mountain bike isn’t where it shines.  

We preferred it firm.

We spent a fair bit of time tweaking the Powerfly’s suspension, and ultimately settled on a firmer setup, both in terms of air pressure and compression settings. We also ran the rebound speed on the faster side. It was all about keeping the bike riding higher in its travel, which helped restore a bit of liveliness to the ride and improved manoeuvrability. If we went for a softer more forgiving setup we found the ride got a little wallowy.

So all up?  

This is a bike that has some pronounced strong suits; it’s tough as nails, it will leave you laughing as you clean the most absurdly steep climbs, the Bosch motor is excellent, it hammers in a straight line, plus it’s actually pretty good value too. And we’ve read many a review on the net praising this bike for these qualities. But in order to achieve its uphill performance and stability, it handles quite differently to a conventional mountain bike and sacrifices some playfulness, and that won’t appeal to every rider. We’d like to see this bike shortened up a little out back, to help bring it more of the qualities which we admire so much in the Trek Slash, Remedy and Fuel series.

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• Rider Notes

2019 Trek Powerfly LT 9.7 Plus

A 27.5″ carbon frame full suspension enduro e-bike with high-end components. Compare the full range

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Based on frame geometry and build specs.

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Powerfly LT 9.7 Plus

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Add custom gearing

The 2021 Trek Powerfly full suspension e-MTBs blend European sensibility with modern trail capability for a unique e-mountain bike option.

Read Review

Mar 2019 · Christoph Bayer

The Trek Powerfly LT 9.9 Plus is the result of several years of evolution. In this latest iteration, the bike features a classy carbon frame, a smartly integrated battery and the proven Bosch Performance CX motor. Will the bike still manage to convince our test riders?NEW: Before we get into the review, we would like […]

Excellent suspension

Balanced, composed handling

Good climbing capabilities

Front too low on steep descents

Cumbersome in tight sections

If I had to think of one common theme that continually came up during our time with the Powerfly, that would be it—too damn fun. Over the months we’ve had this bike, we’ve done it all and it does it all with ease.

Oct 2018 · Alan Muldoon

Up hill or down, ebikes take an absolute beating, so the new Trek Powerfly 9 has a beefed up the parts package to handle the additional abuse.

Suspension, brakes and tyres are all on point. New battery layout is neat and easy to use.

Could have more generous reach measurements and shorter stems on all sizes.

Trek’s new 2019 Powerfly gives no mixed messages about its intentions. It is chunky, long, robust and built like a tank. With 160/150mm of travel, 40mm wide rims with 2.8″ tyres, e-bike specific FOX 36 the spec is undoubtedly up for a thrashing, and the chassis also. The newly integrated battery does wonders in making a …

Built tough.

Bosch E-MTB setting feels natural.

Fearless climber.

Length detracts from agility.

Heavy to move around.

Price: $5499.00 | Model Year: 2019 A stealthy, long travel, all-mountain electric bike with longer wheel base and adjustable seat stay hardware to optimize geometry for climbing and descending, proprietary

A stealthy, long travel, all-mountain electric bike with longer wheel base and adjustable seat stay hardware to optimize geometry for climbing and descending, proprietary "Active Braking Pivot" rear suspension reduces skipping, Knock Block headset and Hartzell Hug impact-absorbing downtube bumpers allow for straight downtube

Trek-invented Boost hub spacing improves spoke bracing angle and support for larger plus sized tires, quick release thru axles are sturdy and easy to work with, direct-link rear suspension stiffens the chain stays and bottom bracket without compromising performance thanks to the DeonAir rear shock

Beautiful battery integration, Bosch PowerTube 500 disappears into the frame, keeps weight low and center, provides space for a bottle cage mount and accessories above, sturdy locking core from ABUS with keyed-alike code, battery has a built-in handle for secure removal and transport

Bosch Purion display does not have an active Micro-USB port, the PowerTube 500 is heavier than the older PowerPack design, longer wheel base isn't as nimble and the motor integration is flat vs. angled up (unless you get the carbon model), the motor is heavier than the competition, produces more noise, introduces some drag when unpowered

Jun 2018 · Tom Marvin

The long back end is a constant across the size ranges, and so while the front end of the large isn’t super long, it’s still a relatively balanced-feeling bike.

Apr 2017 · Sean White

The Trek Powerfly is a very well sorted package and was one of the first e-bikes to win us over.

Last updated April 20 Not listed for 1,827 days

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Trek Powerfly LT 9.7

Powerfly LT 9.7 is a carbon electric mountain bike with long-travel suspension and a high-end parts spec. This high-performance e-MTB is built to take you into the wild unknown to rip up and down whatever mountains you'll find. The OCLV Carbon frame fully hides the battery for clean looks and protection on rugged trails. It's right for you if... Rugged terrain, wild trails, big adventures—this is the stuff that gets your heart racing. You're looking for an e-MTB with the major performance upgrade of a carbon frame, and you want a high-quality parts spec and suspension package to match. The tech you get A lightweight and trail-tough OCLV Mountain Carbon main frame that fully encases a long-range 500Wh battery for great aesthetics and protection on the trail, a Bosch Performance CX 250-watt motor that assists up to 20 mph, and an ergonomic Bosch Purion controller. Plus, a 160mm RockShox Yari RL fork, grippy 27.5+ mid-fat tires, Tubeless Ready Bontrager Line Comp 40 wheels with a 54-tooth Rapid Drive hub, a dropper post, 1x12 SRAM NX Eagle drivetrain, and 4-piston hydraulic disc brakes. The final word For all the performance advantages of Powerfly LT 9.7's trail-ready spec, it's the lightweight OCLV Mountain Carbon main frame that sets it apart from all others. It's lighter, faster, and has the good looks worthy of a trail bike of this caliber. Why you'll love it 1 - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy to remove the battery without tools, and lets you mount a water bottle cage—even on full suspension e-MTBs 2 - OCLV Mountain Carbon main frame with alloy stays make for a bike that's light and trail-tough, Longer travel suspension and 27.5+ mid-fat tires are the perfect combination for traction, stability, and capability on rough trails 3 - Dropper posts and 1x12 drivetrains are two of the best mountain bike innovations in recent years—this bike has both 4 - It rides like a mountain bike because it is one: it has the same frame and suspension tech we've refined in our decades-long trail heritage

Geometry chart

Dropper posts

Why 27.5-inch/650B?

Plus-size rims and tires

* Subject to change without notice.

Trek 2019 Powerfly LT Family

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Results have arrived, trek powerfly 9.7 lt plus mountain e-bike - 2019, medium, item #bmt27452, condition: certified pre-owned what's this, fit range: 5'6" - 5'10" sizing guide, every certified pre-owned bike passes our multi-point inspection.

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• Powerfly LT 9.7

Trek Powerfly LT 9.7

Powerfly LT 9.7 is a carbon electric mountain bike with long-travel suspension and a high-end parts spec. This high-performance e-MTB is built to take you into the wild unknown to rip up and down whatever mountains you'll find. The OCLV Carbon frame fully hides the battery for clean looks and protection on rugged trails. It's right for you if... Rugged terrain, wild trails, big adventures—this is the stuff that gets your heart racing. You're looking for an e-MTB with the major performance upgrade of a carbon frame, and you want a high-quality parts spec and suspension package to match. The tech you get A lightweight and trail-tough OCLV Mountain Carbon main frame that fully encases a long-range 500Wh battery for great aesthetics and protection on the trail, a Bosch Performance CX 250-watt motor that assists up to 20 mph, and an ergonomic Bosch Purion controller. Plus, a 160mm RockShox Yari RL fork, grippy 27.5+ mid-fat tires, Tubeless Ready Bontrager Line Comp 40 wheels with a 54-tooth Rapid Drive hub, a dropper post, 1x12 SRAM NX Eagle drivetrain, and 4-piston hydraulic disc brakes. The final word For all the performance advantages of Powerfly LT 9.7's trail-ready spec, it's the lightweight OCLV Mountain Carbon main frame that sets it apart from all others. It's lighter, faster, and has the good looks worthy of a trail bike of this caliber. Why you'll love it 1 - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy to remove the battery without tools, and lets you mount a water bottle cage—even on full suspension e-MTBs 2 - OCLV Mountain Carbon main frame with alloy stays make for a bike that's light and trail-tough, Longer travel suspension and 27.5+ mid-fat tires are the perfect combination for traction, stability, and capability on rough trails 3 - Dropper posts and 1x12 drivetrains are two of the best mountain bike innovations in recent years—this bike has both 4 - It rides like a mountain bike because it is one: it has the same frame and suspension tech we've refined in our decades-long trail heritage

Geometry chart

Dropper posts

Why 27.5-inch/650B?

Plus-size rims and tires

* Subject to change without notice.

Trek 2019 Powerfly LT Family

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TREK Powerfly 9.7 Lt Chain ring options

• Thread starter w4clm
• Start date Jul 30, 2023
• Jul 30, 2023

Powerfly LT 9.7 - Trek Bikes

fooferdoggie

Well-known member.

Samox Bosch GEN 2 Steel CNC Chainring with Single Chainguide - 18t, Black | eBay

This is very interesting, I will do this and check it out. As for the 18t GEN 2 CNC do you think it will make any difference. Being it's 2.5 to 1 radio maybe that's all it needs if any is 3 more teeth. That gearing ratio must be made up in the engine gears, I did not think of that. I can see what you're saying about my mistaking this for a regular chainring. Thank you.  

w4clm said: This is very interesting, I will do this and check it out. As for the 18t GEN 2 CNC do you think it will make any difference. Being it's 2.5 to 1 radio maybe that's all it needs if any is 3 more teeth. That gearing ratio must be made up in the engine gears, I did not think of that. I can see what you're saying about my mistaking this for a regular chainring. Thank you. Click to expand...

Saratoga Dave

I could swear my XM-700 had a seventeen tooth front ring, but I’m probably wrong. John in Ct would know, he’s still got one.  

fooferdoggie said: your limited to 20mph so I would think the lower the better so you climb better. are you spinning out? I have a 18 on my bulls with a 11-32 cassette and I can spin to about 30 mph. Click to expand...

w4clm said: Not sure what you mean by spinning out. If you're asking if I got it up to 20 mph, yes. I could tell the motor kicked out at 20 as it was supposed to. I just feel like my legs are spinning so much that they are about to fall off. It's only the first time I rode this thing, any distance on a test ride. It could just be me and I need to work with the gears a bit. But I recall feeling the same way about my 2015 (Trek Police) bike. It too was an early PowerFly police version. I rode it clear across the USA on RT.66. It had the same dang little 15T Chainring in the front. However that police version has a Class Three Bosch motor , I only got it above 28 a few times on the entire trip. I'm looking into my options. Trek got away from using that 15T chain ring in 2021 / 2022. I've got a local friend looking into the Trek Rail 7 gen 2, it's a 12 speed with a 34T chain ring. with the Bosch Performance line CX motor, the same motor I have on the Powerfly 9.7 We are studying both rigs to see if it's possible to make the 2019 Powerfly similar to the Rail 7. Bottom line however as you said earlier, this may not be necessary. I'm just looking at the options. Thank you Click to expand...

• Aug 2, 2023

As Fooferdoggie said the Gen2 CX motors have 2.5 internal gear ratio which makes 15t =37.5t chainring. Changing chainrings is easy with tool mention. Likes of bike24.com or bikediscount sell a range of sizes from 14-20t along with tool. Unfortunately some bike manufacturers had chainrings with 1-3mm spaces. Which was case with my Trek. Website also sell spacers(large washer) separately. If you look carefully maybe able spot it. Most aftermarket chainrings don't have a spacer. Just note how it is put together before dismantling. Some manufacturers even had chainguard and chainring combined $$$$ Haibike, luckily my Trek had separate chainguard made by Miranda but I've never been able to source one. If running 14t will need to replace chainguard with nut which websites sell. Unfortunately didn't work for me as chain would bounce of chainring without guard when MTBing, have to stop and put it back on at bottom of every downhill section. End up keeping 15t + chain guard. These chainrings are cheap Eur10 which is good as they need to be replaced with chain. Being GEN2 you can fit badass dongle without any issues. If bike is 20mph version x2 will be fine, for 15mph version go for x3 as you really need to be able to do 35mph if taking lane and mixing with traffic. I'd start with tool and find out want chainring type you have then order replacements from there. Try 17t and see how you go from there, maybe larger if using dongle.  

• Aug 3, 2023

TrevorB said: As Fooferdoggie said the Gen2 CX motors have 2.5 internal gear ratio which makes 15t =37.5t chainring. Changing chainrings is easy with tool mention. Likes of bike24.com or bikediscount sell a range of sizes from 14-20t along with tool. Unfortunately some bike manufacturers had chainrings with 1-3mm spaces. Which was case with my Trek. Website also sell spacers(large washer) separately. If you look carefully maybe able spot it. Most aftermarket chainrings don't have a spacer. Just note how it is put together before dismantling. Some manufacturers even had chainguard and chainring combined $$$$ Haibike, luckily my Trek had separate chainguard made by Miranda but I've never been able to source one. If running 14t will need to replace chainguard with nut which websites sell. Unfortunately didn't work for me as chain would bounce of chainring without guard when MTBing, have to stop and put it back on at bottom of every downhill section. End up keeping 15t + chain guard. These chainrings are cheap Eur10 which is good as they need to be replaced with chain. Being GEN2 you can fit badass dongle without any issues. If bike is 20mph version x2 will be fine, for 15mph version go for x3 as you really need to be able to do 35mph if taking lane and mixing with traffic. I'd start with tool and find out want chainring type you have then order replacements from there. Try 17t and see how you go from there, maybe larger if using dongle. Click to expand...

John from Connecticut

• Aug 7, 2023

Saratoga Dave said: I could swear my XM-700 had a seventeen tooth front ring, but I’m probably wrong. John in Ct would know, he’s still got one. Click to expand...

20 would be a 50t chain ring. I bought Sram chainrings the one I had lasted almost 10,000 miles before the last chain started jamming up. that what my performance speed motor had and it made it climb less then great.  

John from Connecticut said: Hey Dave, Great to hear from you. I can't believe I missed your post. Us Trek XM 700 guys have to stick together, there's so few of us... : ) I was unable to physically check my front ring, but will do so tomorrow, Tuesday. In the mean time the Trek XM 700 Specs call for a 20 T ring. John Click to expand...

• Aug 8, 2023

John from Connecticut said: Howdy, I misspoke in my original chain ring size. Dummy me, 20T is the crank... From the Trek Website, XM700 "Crank.....Miranda Delta, 20T" Duhhh. I'll count the teeth and report back. Sorry. John Click to expand...

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