trek marlin 7 13 5

Trek Marlin 7 Review: Is This Bike Worth It?

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In the world of high-performance entry-level mountain bikes, the Trek Marlin 7 is ahead of its time. This mountain biking crusher is an affordable and featured-packed bike with an awesome design that draws inspiration from race-inspired geometry to give the bike a superior advantage over similar options in its class and even better price range. That being said, for an entry-level bike, the Trek Marlin 7 is a reasonably expensive bike at right around $800; which makes a big difference, however. However, when you buy this bike from the Marlin lineup you will get access to tons of advanced features for the price.  The core value of this bike lies within its seamless integration of budget-friendly components with race-ready design elements that deliver real-world, and track-ready performance. 

You’ll find components of mid-range and high-level quality sprinkled throughout the main design of the Marlin 7, making it an ideal bike for those who want a taste of what higher priced models can do for their soft ride game.

Overall, the Marlin 7 is very lightweight and efficient yet powerful and streamlined, which gives it a unique appeal that you don’t find too often. It weighs about 31.05lbs in total and has 18 gears, which provides you with versatile shifting capabilities. 

The Trek’s Marlin 7 also features an Alpha Silver Aluminum frame that is very durable and light. It also features Bontrager wheels, which look great and provide excellent support when riding.

You’ll find that the suspension of the Marlin 7 is more than capable of handling rugged terrain and complex rides with ease. All of the features integrated into the Marlin 7 combine to create the perfect entry to mid-range bike for anyone looking to enhance their rides on and off the trails. 

If you’re interested in purchasing your first mountain bike which is  high-performing, feature-packed, yet affordable entry-level to intermediate mountain bike, the Trek Marlin 7 is a great choice, even for new mountain bikers.

To help you make an educated purchase decision, we’re going to provide you with a detailed review of the Trek Marlin 7 below. Make sure you read this entire review so that you can decide whether or not the Marlin 7 is the right bike for you, at least for giving it a test ride.

Marlin 7 is where race-worthy mountain bikes begin. The smooth, lightweight RockShox fork and upgraded parts make this model the best choice for new riders who want a fast cross-country hardtail that will hold its own against our higher-end race bikes.

Who is the Trek Marlin 7 for? 

The Trek Marlin 7 was designed for a wide range of riders, including new riders, trail riders, leisure riders, and full-on racers. Its race-inspired design in addition to its mid-quality components makes the Trek Marlin 7 the perfect bike for the average to advanced rider looking for a sturdy bike that is packed with tons of tailored features to fit their busy lifestyle.

This model is considered an entry to intermediate level bike due to the price and the manufacturing quality of some parts; however, that in no way correlates to a subpar product. 

In fact, Trek has been able to pull off its idealistic concept of a medium-level, high-performing, budget-friendly mountain bike that provides enough versatility for average riders to improve their existing expertise. It’s also a great choice if you’re looking to upgrade to the more expensive categories of trail bikes but want to try one out before shelling out the big bucks. 

For those that fall into any of these categories, you’ll be more than satisfied with the Trek Marlin 7 as you go-to bike for quite some time. Now, let’s take an in-depth look at some of the main pros and cons of current owners of the Marlin 7 report after their experience. 

Pros & Cons: Trek Marlin 7 

The Trek Marlin 7, like any other mountain bike, has its own unique design advantages in addition to downfalls. Every rider wants a personalized experience out of their bike, so it can be hard to classify what one rider may deem as a con because another may see it like a pro.

However, that doesn’t exclude the fact that some flaws are more practical and measurable, so regardless of your opinion, it will affect your ride either unknowingly or knowingly. 

Below, you’re going to find our list of all the main pros and cons to consider before purchasing the Trak Marlin 7. 

• 18 Gear shifter provides versatile performance capabilities under a wide range of riding conditions
• Lightweight design that facilitates high-performance standards
• Race-ready design geometry delivers superior ride handling effortlessly
• Durable Alpha Silver Aluminum frame
• Superior suspension system
• Versatile design and functionality
• Trek’s Lifetime warranty included with every purchase
• Hydraulic disc brakes
• Rear kickstand mount
• Coil spring could use improvements
• The fork does not provide performance capabilities consistent with the rest of the bike.

As you can see, the Trek Marlin 7 is a capable mountain bike that keeps your budget in mind. Based on the pros and cons alone, the Marlin 7 delivers a very consistent amount of power for its build quality. Continue reading to find a full breakdown of the core features that the Trek Marlin 7 offers so you can know precisely what you’re getting if you decide to go with this bike. 

Core Features: Trek Marlin 7 

Like we’ve said before, the Trek Marlin 7 is a robust and versatile mid-range mountain bike that can deliver adaptable performance standards for riders of all types.

What truly makes this bike great is all of the thought and intuitive genius that went into designing it. If you polled most casual to moderate riders and asked them what they would want in a budget-friendly mid-range bike, they would likely list all of the features included with the Trek Marlin 7. 

Take a look below to find all of the critical specifications and details about the Trek Marlin 7 that can translate into real-world performance enhancements for all of your future rides. 

Front/Rear Derailleur 

The Marlin 7 comes outfitted with a Shimano Altus M2020 2-speed front derailleur and a Shimano Acera M3000 9-speed rear derailleur. Both components work together seamlessly to deliver smooth gear transitions that allow you to adapt your riding style in a wide range of terrains.

Their durable build quality enhances their functionality to provide you with consistent reliability with every pedal. 

Brakes 

The Marlin 7 also has MT200 Shimano hydraulic disc brakes, which deliver almost instant stopping power regardless of the terrain. These brakes perform great for providing immediate braking action when faced with high-speed docents and all sorts of other intense situations.

When you look at the brakes on this bike compared to its tire and wheelset, it’s the ability to stop in wet climates in unmatched in bikes of a similar class. 

Rims/Tires 

For the tires and rims, the Marlin 7 is packing Bontrager aluminum connection double-wall wheels and Bontrager XR2 Comp tires.

This combination provides real ride support in various conditions while also aiding the brakes in delivering an immense amount of stopping power that will impress any rider. While the wheels on the Marlin 7 are not tubeless-ready, you can convert them into a tubeless setup. 

Frame 

The Trek Marlin 7 has an Alpha Silver Aluminum frame that is ultra-lightweight and very durable. The Marlin 7 frame uses race-ready frame geometry to deliver actualized performance benefits when taking on demanding tasks such as serious singletrack aspirations or high-speed downhill attacks. The head tube angle on this bike is 69.5-degrees, and it has a 73-degree seat tube angle that puts in an optimal position for maximum handling control in all situations. 

The agile yet stable performance of the Alpha Silver Aluminum frame on this bike definitely makes it one of the leading choices for mid-range trail bikes. 

The fork on the Marlin 7 is a RockShox XC 30 adjustable fork that delivers enhanced performance upgrades that add 100mm of travel underneath your hands. In addition to this, it also comes with a preload function that makes it easy for you to adjust your ride before hitting the trails.

You’ll also find a turnkey lockout feature, which makes it easy for you to lock it in place with the simple switch of a button even while riding. This fork is optimal for rough terrains, technical trail rides, and fast descents. 

The Trek Marlin 7 comes outfitted with an efficient and lightweight 2×9 drivetrain that is built using a 36/22t crankset in addition to an 11-36T cassette.

These features combine to deliver broad gear range while also reducing the amount of time it takes to transition from one gear setting to another. It’s fast, high-performing, and built to last, enhancing the overall value of the Marlin 7. 

These are all of the main features that come packed into the Trek Marlin 7, after taking a look at them, you can probably see why it’s one of the best mid-range bikes currently available. In addition to all of the advanced ride capabilities mentioned above, the Marlin 7 also comes in seven different sizes ranging from XS up to XXL, so virtually anyone can enjoy the benefits of this bike. 

Consider what your personal ride preference and demands are compared to what the Marlin 7 has to offer. By doing so, you will be able to decide whether or not this is the right bike for you. If in case you want to check more options, you can read here all about Trek Marlin 5 and Trek Marlin 6.

Check out our full Marlin 7 vs Marlin 6 Comparison.

Alternative Recommendations 

1. savadeck deck300 carbon fiber mountain bike.

The SAVADECK DECK300 Carbon Fiber Mountain Bike is built using a TORAY T800 carbon fiber frame that delivers a durable and lightweight basis for this bike’s other performance features. It’s also outfitted with an SR Suntour fork that provides 100mm of suspension travel in addition to more precise control.

The high-quality fork also aids in supporting a comfortable ride in various environments, which is a great bonus. This bike has a Shimano RD-M6000 front derailleur and a Shimano RD-M6000 rear derailleur that allows you to efficiently operate the bike and jumpstart your rides. 

The braking system on this bike is a Shimano MT200 disc brake system that uses double mechanical disc brakes to deliver top-notch stopping power in virtually any terrain. You’ll also find a continental tire on this bike, which adds more versatility to the bike’s ability to handle multiple ride conditions with ease. This bike is easy to assemble and is excellent for intermediate and even professional riders who want a nice entry-level to toss around.

The braking system on this bike uses double mechanical disc brakes to deliver top-notch stopping power in virtually any terrain, as we as a continental tire which adds even more versatility!

2. Tommaso Gran Sasso 29er Mountain Bike 

The Tommaso Gran Sasso, 29er Mountain Bike, features a durable alloy frame that can withstand virtually anything you throw at it. The bike comes with 29” wheels that deliver ultimate grip and propellent force to keep you moving even when you encounter difficult riding situations.

These tires can withstand roots, rocks, branches, and more without even breaking a sweat. This bike also has a 24-speed Shimano drivetrain that delivers enhanced power and accurate control consistently.

It also comes with a Suntour SF 15-XCM form that adds 100mm of travel for even more ride versatility. It’s outfitted with a 680mm handlebar, which is comfortable and optimized to provide you with superior posturing so that you always maintain precise control on the bike. 

The bike comes with a standard one year warranty from the manufacturer, and all of the Shimano branded a two-year warranty covers parts. If you’re a rider who is looking for professional performance at an excellent and affordable price, this bike is the perfect choice for you. 

3. Diamondback Bicycles Full Suspension Mountain Bike

The Diamondback Bicycles Full RockShox Suspension Mountain Bike is the only full-suspension and not-so-entry-level bike on our list. This monster comes outfitted with a level link design that delivers 130mm of optimal rear suspension support.

This bike is crafted from a lightweight yet durable carbon frame with a Boost 148x12mm Maxle dropout for added ride versatility. You’ll also find that this bike has a KS LEV Si dropper post w/ an integrated Southpaw remote lever that provides enhanced maneuverability when attacking descents. The rear shocks mounts on this bike are Fox 34 performance float and fox DPS EVOL LV which deliver excellent suspension travel. 

The gears on this bike use an SRAM NX Eagle 11-50T single-ring drivetrain to deliver maximum versatility and power. If you’re in the market for a premium high-performing mountain bike and have a few more dollars to spend, this is a great selection.

The Diamondback Bicycles Full Suspension Mountain Bike is a full-suspension and not-so-entry-level bike with a level link design that delivers 130mm of optimal rear suspension support. 

Our Honest Opinion 

After taking an in-depth look at all of the core features and capabilities that come with the Trek Marlin 7 package, we would have no other choice but to recommend this bike. When compared to many of the other mountain bikes in its class, the Marlin 7 outperforms them in all areas including design, functionality, and performance. 

If you’re looking for a budget-friendly trail bike packed with advanced features and practical performance, the Trek Marlin 7 is a great choice. 

FAQs About Trek Marlin 7

Yes, the Trek Marlin 7 is a good quality entry-level bike that delivers high-performance standards and versatile riding capabilities. Its racing-inspired design gives it an edge over its competitors, making it one of the leading options in the entry-level and mid-range bike class.

Yes, when you consider the number of features and quality parts that come integrated with the Trek Marlin 7, it is worth every penny.

Yes, while the Trek Marlin 7 is designed like a racing-style bike, making it great for downhill as well as any type of offroad trail.

Conclusion 

Use all of the information, tips, and advice we’ve given you throughout this article to help decide whether the Trek Marlin 7 is right for you.

Take the time to read over our entire review so that you can compare its core features with everything you want in a mountain bike. As long as you do that, you’ll be taking on new trails with confidence in no time with the Marlin 7.

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• Marlin 7 Gen 2

"Look fast, feel fast, go fast."

"Unlike some bikes on the cheap end of the spectrum that cater to the recreational user, this one is aimed firmly at entry-level riders who want a bike that's affordable yet capable of riding and racing hard."

Load up. Or not.

Whether you're after a lightweight singletrack shredder or sticking to the pavement on your commute to work, Marlin is compatible with all the gear you need to have a great ride.

5 things to do before every mountain bike ride

Do this quick pre-ride safety check before you hit the trails.

Product features

Will my bike have a curved top tube.

Smaller frames have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frame sizes have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

High tech, high value

Marlin looks and feels great. It’s packed with features usually found only on more expensive bikes, like a stylish frame with internal shift cable and brake hose routing, which can help your cables last longer by protecting them from the elements.

Fit for every rider

Marlin comes in seven frame sizes to suit riders of any height, and Smart Wheel Size ensures you’re on the fastest wheel that fits. The smallest sizes even come with short-reach brake levers and narrower handlebars that give smaller riders better comfort and control.

Rack mounts

Going for a long ride? Rack mounts make carrying accessories a breeze.

Suspension lockout

Locked suspension means your fork remains inactive, increasing pedaling efficiency. Perfect for extended road sections where efficiency is more important than bump absorption.

Rear kickstand mount

Chainstay mounts make it easy to install a rear kickstand that stays out of your way and supports bikes of all sizes. No more laying or leaning.

Blendr stem

Bontrager stem technology lets you clip your gear directly to the stem for clean looks, maximum user friendliness.

Internal cable routing

We route shift and brake cables through the frame to keep things clean and simple. And it looks great, too.

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Trek Marlin 7 Review

• strong climber
• 25 years warranty
• with 13,5 kg lighter than comparable bikes

OVERALL BIKE CHECK

The most importanten ratings of the Marlin 7 ⬤ in comparison to the competitor bikes of following categorie: (Beginners-Bike up to 1000 €) ⬤ .

VALUE for MONEY CHECK

If you are keen on value for money, this is your chart. It shows you at a glance how many bike you get for 924 €.

Expirience with the Trek Marlin 7

best alternatives

mostly compare

Trek marlin 7 vs trek marlin 8.

Je steiler der Winkel des Sitzrohrs ist, desto effizienter können Sie in die Pedale treten.

• Frame Marlin Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
• Frame Material Aluminium
• Fork Size: XS, RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: S, RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, ML, L, XL, X
• Spring Unit coil
• Remote-Lockout yes
• Gearrange 836%
• Drivetrain 3x10
• Gear Lever Shimano Deore M4100, 10 speed
• Rear Derailleur Shimano Deore M5120, long cage
• Crank Size: XS, S, M, FSA Alpha Drive, 28T steel ring, Boost, 170mm length; Size: ML, L, XL, XXL, FSA Alpha Drive, 28T steel ring, Boost, 175mm length
• Cassette Shimano Deore M4100, 11-46, 10 speed
• Chain KMC X10, 10 speed
• Brake Set Shimano MT200 hydraulic disc
• Brake Rotors 160/160
• Wheel Set Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve
• Front Hub Formula DC-20, alloy, 6-bolt, 5x100mm QR
• Rear Hub Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
• Tires Front Size: XS, S, Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20''; Size: M, ML, L, XL, XXL, Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20''
• Tires Rear Size: XS, S, Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20''; Size: M, ML, L, XL, XXL, Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20''
• Saddle Bontrager Arvada, steel rails, 138mm width
• Seat Post Size: XS, S, M, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: ML, L, XL, XXL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length
• Stem Size: XS, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: ML, L, Bontrager all
• Handle Bar Size: XS, Bontrager alloy, 31.8mm, 5mm rise, 690mm width; Size: S, M, ML, L, XL, XXL, Bontrager alloy, 31.8mm, 5mm rise, 720mm width
• Handle Bar Width 720
• Head Set Semi-integrated, 1-1/8''

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Trek Marlin 4, 5, 6, 7, and 8 Compared: Which One to Choose?

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In this article, I’ll help you navigate the Trek Marlin mountain bike family by comparing the Marlin 4, 5, 6, 7, and 8. 

You’ll learn about the differences between each model, who they are best suited for, and more. 

Plus, I’ll tell you which model gives you the best value for your money to help make your decision easier.

KEY TAKEAWAY

Trek Marlin mountain bikes are ideal for beginners and intermediate riders. They are suitable for cross-country-like terrains. They have relatively short fork travel and no rear suspension, so I recommend avoiding too demanding terrains and technical trails. For those, check out Trek Roscoe .

Trek Marlin 4 vs. 5 vs. 6 vs. 7 vs. 8

The following table summarizes the main differences between all Marlins that belong among the Trek hardtail mountain bikes .

Marlin Pros & Cons Summary

I summarized the pros & cons of the Marlin series below.

Marlin Pros

• Affordability
• Availability in multiple sizes and colors
• Compatible with racks, kickstands, etc.
• Partially internal cable routing
• Lifetime warranty

Marlin Cons

• Unsuitable for demanding MTB terrain due to the short fork travel (100mm)
• Relatively heavy
• No full-suspension
• No dropper post (except Trek Marlin 8 Gen 3), Gen 3 models are compatible with dropper posts

Marlin Main Features

Let me now explain the most important features of the Trek Marlin bikes.

Frame and Geometry

All Marlin bikes have the same aluminum cross-country frame , available in many sizes and colors that vary between models.

The XXS-S sizes have a differently shaped top tube , which is curved to increase the clearance between the rider’s crotch and the frame. This allows riders with shorter legs to stand over the bike more comfortably, for example, when stopping.

The frames of Gen 2 Marlins have a standard cross-country geometry , which provides a comfortable riding position and easy pedaling uphill and downhill. It also gives you easy maneuverability and visibility.

On the other hand, it’s not quite suitable for steep descents and challenging terrain – especially without a dropper seatpost.

The Gen 3 Marlins have a trail geometry (wider wheelbase), which provides more stability, especially when riding downhill. It’s similar to the Trek Roscoe geometry .

Lastly, it’s worth noting that the bike’s partially internally routed cables improve its overall appearance.

One of the biggest limitations of Marlin bikes is their front fork suspension. These bikes are not primarily designed for challenging terrain but rather for those who want a versatile bike that can handle various surfaces.

All Marlin bikes have suspension travel of only 100mm , which is capable of absorbing small bumps. However, it’s not ideal for riding on rocky trails, and especially not for downhill riding.

Therefore, if you want a bike for more challenging terrain, choose one with longer travel (for example, the Trek Roscoe series ).

All forks of Marlin bikes have suspension lockout. Lock it when riding on smooth surfaces for less energy loss when pedaling.

Wheels and Tires

The wheel size varies depending on the frame size. Frames smaller than size S are equipped with 27.5″ wheels, which are more agile and accelerate faster than 29″ wheels. Frames size M and larger have 29-inch wheels, which are more stable and better at maintaining speed.

All models have the same rims (Bontrager Connection, double-wall) except for the highest model, the Marlin 8 , which has Bontrager Kove rims. The former rims are not tubeless-ready, while the latter are.

The same goes for the tires. The highest model already has tubeless Maxxis Ardent tires, while lower models have Bontrager XR2 Comp inner tube tires.

The groupset is one of the main areas where the different models vary, and it’s probably the deciding factor for many people.

They differ primarily in the number of gears . Modern mountain bikes mainly use 1X drivetrains , which are popular due to their simplicity for maintenance and shifting. They are also lighter than 2X or 3X groupsets .

On the other hand, they offer fewer gears, so you may not always find the ideal one for your preferred cadence.

I recommend choosing from the 1X drivetrains, which are available on Marlin 6 and higher models. This way, you won’t have to think too much about shifting and cross-chaining.

Another difference between the Marlin models is their brakes. The entry-level Marlin 4 uses mechanical disc brakes , while higher-end models have Tektro or Shimano hydraulic brakes .

Better brakes provide higher braking power. However, if you mainly ride on flat terrain leisurely, you don’t have to worry about a lack of braking performance.

Quality brakes are especially important if you plan on riding technical descents, so consider your riding style.

To learn more about disc brakes, read my article comparing mechanical and disc brakes .

Marlin frames have mounts for kickstands and racks , so you can easily install these accessories.

You can also use a Blendr stem , which is a mechanism that allows you to easily attach things like lights, speedometers, or bike computers.

The last detail is the lock-on grips that are easier to install and replace than slip-on grips.

So, which bike from the Marlin family is the best?

In my opinion, the Marlin 6 is the best choice because it has a modern 10-speed 1X Shimano Deore drivetrain and Tektro hydraulic disc brakes. Plus, it’s priced in the middle of the entire Marlin range.

Another option to consider is the Marlin 5 , which is similar but has a Shimano Altus 2×8spd drivetrain, is lighter, and more affordable.

On the other hand, I recommend avoiding the Marlin 4 because it uses the outdated 3X drivetrain. The value of the Marlin 8 is also questionable, as you can get mountain bikes with better components in this price range.

Trek Marlin FAQ

Trek Marlin mountain bikes are perfect for people who are new to mountain biking, recreational riders, and those who use their bikes to commute. Marlins are reasonably priced, versatile, and comfortable. They come in various sizes and colors, so you can always find the best fit. However, they have entry-level components and are not suitable for challenging terrain because their fork travel is short. Check out Trek X-Caliber and Procaliber families if you want a better XC bike.

Marlin bikes (4 to 8) differ mainly in components like the groupset, front fork, brakes, weight, and price. I recommend reading this entire article for more information and a helpful comparison table.

The geometry is the main difference between Trek Marlin Gen 2 and Gen 3. Gen 3 Marlins have a trail geometry, which means a wider wheelbase providing better stability. Gen 2 has a standard XC geometry. Marlin Gen 3 bikes use wider tires and different wheels and are heavier. They are also available in different colors and are more expensive (except for the Marlin 7 Gen 2 vs. Gen 3). Most other components, like the groupset, suspension fork, saddle, grips, etc., are the same.

Marlin mountain bikes are a great choice for those who need an affordable bike. They are versatile, allowing you to ride on different surfaces like paved roads with potholes, dirt, forest roads, and easy trails. Plus, they have mounting options that make adding accessories like racks and kickstands easy. The high-volume tires and front suspension provide a comfortable ride, better than what you’d get on a gravel bike , for example.

Marlin mountain bikes come with entry-level components that may limit their performance for serious mountain bikers. The groupsets are not as fast and effective, and the fork travel is limited to only 100mm. These bikes are also relatively heavy and don’t have a carbon frame option or a dropper post.

About The Author

Petr Minarik

10 thoughts on “trek marlin 4, 5, 6, 7, and 8 compared: which one to choose”.

You mentioned you can get mountain bikes with better components for try price of the Marlin 8. Which ones come to mind?

Hi Andrew, Check out the Polygon Syncline C3 , which has a longer suspension travel and carbon frame (yes, it’s currently discounted), or Polygon Siskiu D5 , which is a full suspension MTB. 🙂 I hope it helps. – Petr

The Gen 3 Marlin 8 has a dropper post and many other gen 3 models have the holes to run a dropper.

Hi Brandon, Thanks for noticing that. I’ve updated the info. – Petr

Hi Guys, I am interested in Marlin 8, 3 gen. I live in Columbus, OH, what store location is the best for a test drive? Very Respectfully, Luis

Hi Luis, Please, try using Trek store locator . It should give you a list of retailers near you. I hope it helps. 🙂 – Petr

Hi Peter, I purchased a 2022 marlin 7 and I simply love the bike. I usually ride 40 miles a week basically bike trails it handles very well and the braking system is great I would buy this bike all over again. Best regards John from New Jersey.

Hi John, I am glad to hear that. 🙂 I wish you many more miles ahead. – Petr

This blog about Trek Marlin bikes compared has been a tremendous resource for me. Thank you for the awesome content.

I am glad you like it. Thanks. – Petr

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Review Of Trek Marlin 5: Budget-Friendly MTB for Beginners

T rek Marlin 5 is a phenomenal, trail-ready 29er that costs little and gets the job done on different types of surfaces, including paved and unpaved roads.

Beginner riders are often faced with a tough dilemma — purchase a versatile and comfortable city bike to commute or a real MTB to have fun and embark on off-road adventures.

With Trek Marlin 5 Gen 2 , you can do both. This 29er has the ruggedness of a true trail-blazer but has the ability to double as an everyday workhorse to take on short urban commutes.

One of Marlin 5’s biggest advantages is the low price. This bike costs just $720 , which puts it in the budget category. Still, there’s a lot to be excited about even with such an attractive price.

Trek Marlin 5 Quick Overview

Marlin 5 main features, is trek marlin 5 the right choice for you, verdict: worth the money (or not), trek marlin 5 (2022).

Marlin 5 is characterized by an excellent off-road-ready aluminum frame, cushy front suspension, burly wheels and tires, hydraulic disc brakes and a lot more.

It’s one of the best-valued models from the Marlin series, offering multiple improvements compared to the lower-priced Marlin 4. Some of these are better brakes, better hubs, and a better bottom bracket.

It’s an entry-level bicycle, most suitable for beginner riders who plan to do a little bit of everything and too much of nothing.

• Frame : Alpha Silver Aluminum
• Fork: SR Suntour XCT 30, 100 mm
• Front Derailleur: Shimano Altus M315
• Rear Derailleur: Shimano Altus M310
• Brakes: Tektro hydraulic disc, 160/160mm rotors
• Rims: Bontrager Connection, double-wall
• Tire Size: 27.5″ / 29″ x 2.20″
• Weight: 13.97 kg / 30.81 lbs

See All Specs on Marlin 5 Product Page

If you have a budget of $740 to spend on your next trail bike, Marlin 5 is pretty much the most you can get in this category.

Trek is known for bikes that have good value to money, so this Marlin series model has some worthy components and does not make too many compromises.

Lightweight Alpha Silver Aluminum Frame

Trek Marlin 5 has the same Alpha Silver Aluminum frame seen on all bikes from this lineup. It is characterized by a versatile head tube angle of 69.5 degrees. That’s a good compromise between steep and slack geometry. That means this bike will perform well in most conditions, including climbing, descending, and cornering.

Light, durable, and comfortable Alpha Silver Aluminum frame is Marlin 5’s biggest selling point, seen on other more expensive bikes from Trek’s MTB lineup.

All cables are internally routed which makes them last longer and improves the overall appearance of the bike. Riders can add a rear rack and a rear kickstand, which would make Marlin 5 ready for daily commutes as well.

You can get Marlin 5 in four modern and attractive colors: Lithium Grey, Radioactive Red, Volt to Miami green fade, and Azure. They’re beautiful!

Springy SR Suntour Fork

Marlin 5 is equipped with a low-ranked SR Suntour XCT 30 fork with a coil spring. This fork is quite heavy but beginner riders without too much off-road experience will like it because it provides plenty of comfort.

When it comes to adjustability, just the preload function is available, so you can dial the fork to your liking and ensure a more comfortable ride and better responsiveness.

It’s important to note that the XS frame size comes with 80 mm of travel, whereas all other frame sizes have 100 mm of travel in the fork.

Best Feature: Hydraulic Disc Brakes

The feature that will make all Marlin 5 owners happy is the hydraulic disc brakes . This is the biggest improvement compared to the cheaper Marlin 4 which comes with mechanical disc brakes.

Hydraulic disc brakes present a major increase in stopping power and precision . They require less strength input from your fingers but offer more braking power output.

Trek has gone a step further and equipped the smaller frame sizes with short-reach brake levers to accommodate short riders with smaller hands.

Delicate Shimano Derailleurs

The main points of improvement on Trek Marlin 5 are its derailleurs. Compared to the previous releases, Marlin 5 has Shimano Altus components

Depending on how you take care of them, they might last you for years and miles to come. However, if you’re not careful and you shift under tension or you fall off your bike and smash them, they might give you some headaches.

Still, that’s not something an average rider planning to take Marlin 5 out on weekend adventures and weekday commutes should worry about. Plus, updating to higher-value Altus, Acera, or Alivio groupsets is not a big investment.

Beefy Bontrager Wheels and Tires

Last but not least, the beefy Bontrager wheels and tires are some of the first things you will notice on your Marlin 5. The 13.5″ and 15.5″ sized frames come with 27.5″ wheels, whereas all larger frames come with 29″ wheels.

The wheels are Bontrager Connection. They have 32 spokes, so they are quite strong, and they’re double-walled which means they can withstand some beating.

The Bontrager XR2 tires are 2.20″ wide on 27.5″ wheels. However, when it comes to 29″ wheels, the rear is narrower at 2.0″.

These wheels and tires are a bit heavier than ideal , but once you get them going, they’ll take you wherever you direct the handlebars.

Geometry & Sizing Table

We especially like it because it’s good at more than one thing.

Trek Marlin 5 is not strictly a trail-specific bike that would feel sluggish in all other settings. It’s equally efficient on both paved roads and dirt roads.

However, its wide tires, massive wheels, and capable hydraulic disc brakes still make it more suitable for riders who plan to spend more time in forests and on mountains than on smooth city streets.

Other Marlin Models

• Marlin 4 – MSRP $630 – Has a lightweight aluminum frame, 21 gears, 100 mm of front suspension, and strong mechanical disc brakes.
• Marlin 5 – MSRP $740 – Combines a light aluminum frame, plush SR Suntour suspension, entry-level Shimano drivetrain, and powerful hydraulic disc brakes in a good-looking trail package. Men and women-specific models available.
• Marlin 6 – MSRP $850 – This model is built with an Alpha Silver Aluminum frame, a 1×10 mid-range Shimano drivetrain, burly tires, and comes with 100 mm of front suspension travel with lockout. It’s available in men’s and women’s versions.
• Marlin 7 – MSRP $1,030 – Trek’s race-worthy model with an Alloy frame, superior RockShox front suspension, quality 1×10 drivetrain, Shimano components, and improved Shimano hydraulic disc brakes.

To the right buyer, Trek Marlin 5 is definitely worth the money . This is a lot of bike for just $740, specifically when it comes to the components. The hydraulic disc brakes increase the value of the bike, as well as the high-quality aluminum frame.

However, if you value every cent and you don’t intend to tackle steep hills or ride in wet weather, you can save and get Trek Marlin 4 with mechanical disc brakes and slightly lower-ranked hubs and bottom bracket.

Get Directly From TrekBikes.com

Or see best Trek bikes

• Alpha Silver Aluminum frame
• Powerful hydraulic disc brakes
• Good price-to-value ratio
• Attractive colors

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30 thoughts on “ review of trek marlin 5: budget-friendly mtb for beginners ”.

My wife and I just bought 2 29 inch Lithium Gray Marlin 5 Gen 2 bikes. So far so good other than a flat tire I experienced but that’s not Treks fault by any means. We like the weight and the smooth ride it has.

Trek 5 is my 1st Mountain Bike I have been riding it 3x a week Doing some hard bush trails. It really seems to handle all trails well. No one knows that my bike isnt really expensive . They all say “love your bike ” I just love my bike but will upgrade to a better Trek when I have obtained more skills. Thanks Natalie

Hi Natalie, Well as they say, a Trek is a Trek. The brand itself speaks for itself. It also depends on the kind of ride you do.

lol “my son doesn’t abuse his bike he just broke all of the most easily abused parts of it”

Hi Boknows, Sounds like a future athlete there 😉

Very helpfull!!! , thanks dude!

I am 15 and got my trek Marlin 5 a couple years ago. I have ridden some insane tracks on it and haven’t really had any issues. The only thing I’ve broken so far is the derailer hanger but apart from that nothing. I use it for riding on streets, dirt roads and mountain bike tracks of different difficulties including black diamond tracks. It is still working great and I would think of it as a good bike. I found that the seat post was originally at my good pedaling height when I got it at its lowest point but have now upgraded that to dropper.

Hi Jayden, Have you tried getting a regular maintenance check with your local bike shop? Regular maintenance check can help prolong the life of a bike 😉

I bought a 29″ blue Marlin 5 for my son’s 14th birthday 16 months ago and initially I really liked it. But, it’s been a flaming pile of broken parts since then. My son doesn’t abuse this bike (no downhill or big jumps) and mainly rides a few miles into town and occasional wheelies. Since new here’s the things that have broken on it: rear shifter cable, rear axle, right pedal stripped out of crank arm, left pedal stripped out of crank arm, rear axle again, right pedal stripped out of crank arm again and the chain broke (which pulled the rear rerailer into the spokes and ruined it). Our closest Trek dealer is an hour away so running to the bike store is a real issue but they have been pretty good about helping me out. I’m a metal fabricator and part time motocross bike mechanic so I have a good background in metals and how they should operate. I honestly feel Trek has build a cheap bicycle with metal parts using allows that aren’t appropriate and as thin as materials as possible to save weight at the cost of reliability. I just called Trek directly and we’ll see where that goes.

Hi Dough, Sorry to hear about your experience. It looks like your drivetrain and the whole groupset have issues. Usually these are the most abused parts of the bike and an upgrade to better parts will do better. However I am curious as to what they will tell you. Let me know about it. Cheers!

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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.

Marlin 5 Gen 2

Marlin 7 Gen 2

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Trek Marlin 7

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Colour / Dnister Black/Trek White/Antiqua Blue

Size / 13.5, 15.5" (27.5" wheels); 17.5, 18.5, 19.5, 21.5, 23" (29" wheels)

At a glance

Where to buy.

Specifications

• Frame Alpha Silver Aluminum w/semi-integrated head tube, rack & fender mounts, G2 Geometry on 29ers
• Wheel Size 29" 27.5"
• Tires Bontrager XR1, 29x2.20" front, 29x2.00" rear ( Bontrager XR2, 27.5x2.20")
• Crank Shimano M371, 44/32/22
• Front Derailleur Shimano Altus
• Rear Derailleur Shimano Altus
• Shifters Shimano Altus M370, 9 speed
• Brakeset Tektro M290 hydraulic disc brakes
• Handlebar Bontrager Low Riser, 31.8mm, 5mm rise
• Saddle Bontrager Evoke 1
• Seatpost Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset
• Stem Bontrager Race Lite, 31.8mm, 7 degree
• Headset 1-1/8" threadless, semi-integrated, semi-cartridge bearings

Q: What size wheels does the 2015 Trek Marlin 7 have?

The 2015 Trek Marlin 7 has 29" and 27.5" wheels.

Q: What size 2015 Trek Marlin 7 should I get?

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