About The Trek Marlin 6 Gen 3 Aluminum Shimano CUES Mountain Bike

The Trek Marlin 6 Gen 3 is a capable trail hardtail built around a geometry update that puts riders in a more confident position on descents. The slacker 66.5° head angle compared to previous generations gives you more control when the trail tips downward, and the RockShox Judy fork with 100mm of travel and TurnKey lockout handles the bumps in between. This is a bike that rewards riders who are ready to push past flat dirt paths and into actual singletrack.

Where the Marlin 6 Gen 3 stands out in its price range is in the details that usually cost more. The frame includes internal dropper post routing with a TranzX dropper post already installed — not a future upgrade, but a feature you get on day one. Tubeless Ready rims and 10-speed CUES drivetrain with LINKGLIDE technology round out a build that skips common entry-level compromises.

Who It's For

  • Newer trail riders who want a bike that won't limit their progression
  • Riders upgrading from a flat-bar commuter or entry hardtail and ready for technical terrain
  • Anyone who wants a dropper post without paying for a separate upgrade
  • Riders looking for a trail-capable 27.5" hardtail with utility mounts (rack, kickstand, fenders)

What to Look For

  • Wheel size: This bike runs 27.5" wheels with 2.40" Bontrager Montrose Comp tires — a nimble, capable combination for most singletrack. If you're between sizes, consider how 27.5" vs. 29" fits your riding style.
  • Dropper post included: The TranzX JD-YSI34 dropper (100mm travel) is built into the frame — compare this carefully to other bikes in the price range that treat it as an add-on.

Key Features

Frame: Alpha Silver Aluminum with internal derailleur and dropper post routing. Includes rack and kickstand mounts, fender mounts, and a 135x5mm ThruSkew rear axle for wheel stiffness without a full thru-axle system.

Fork: RockShox Judy with coil spring, 100mm travel, preload adjustment, and TurnKey lockout. The 42mm offset is spec'd specifically for the 27.5" wheel size, keeping handling predictable.

Drivetrain: Shimano CUES 10-speed throughout — U6000 shifter, U6000 GS rear derailleur, U4000 crank with 30T chainring, and CUES LG300 cassette (11-48t) with LINKGLIDE chain compatibility. LINKGLIDE is designed for durability and smooth shifting under load.

Brakes: Shimano RT26 rotors, 160mm, 6-bolt mount front and rear.

Wheels: Bontrager Kovee double-wall rims, Tubeless Ready, 23mm internal width, 28-hole, Presta valve. The TR-ready setup means you can run tubeless with the right sealant and valves — no new wheels required.

Rider Intent Summary

  • Biggest strengths: Dropper post included at this price point, slacker geometry for trail confidence, Tubeless Ready wheels, and a full LINKGLIDE drivetrain built for durability
  • Tradeoffs: Coil spring fork (not air) limits fine-tuning of suspension feel; 30 tpi tires are functional but not high-performance; wire bead tires add slight rolling weight
  • What makes it different: Most hardtails at this price require separate dropper post and tubeless upgrades — this bike includes both from the factory, along with internal routing ready to support them

Victory's Take

We spec'd and stock the Marlin 6 Gen 3 at Victory Bicycle Studio because it's one of the few trail hardtails in this range that doesn't ask you to immediately start upgrading it — the dropper post is in, the rims are tubeless ready, and the geometry is built for real trail riding from the first ride.

What you get

  • Frame - Alpha Silver Aluminum, dropper post included
  • Fork - RockShox Judy, coil, TurnKey lockout, 100mm
  • Groupset - Shimano CUES U6000, 10-speed LINKGLIDE
  • Brakes - Shimano hydraulic disc, RT26 rotors 160mm
  • Tires - Bontrager Montrose Comp, 27.5x2.40"
Marlin 6 S 27.5 Matte Lichen/Keswick Green Fade

Trek

Trek Marlin 6 Gen 3 Aluminum Shimano CUES Mountain Bike

Regular price $999.99 USD
Sale price $999.99 USD Regular price $999.99 USD

Specifications

Frameset
Frame

Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew

- Size: XS - Curved top tube

Fork

RockShox Judy, coil spring, preload, TurnKey lockout, 100mm travel

- Size: XS, S - 42mm offset, 27.5" wheel, 100mm QR

- Size: M, ML, L, XL - 46mm offset, 29" wheel, 100mm QR

Wheels
Front Hub

Formula DC-20, alloy, 6-bolt, 100mm

Front Skewer

116x5mm QR

Rear Hub

Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm

Rear Skewer

173x5mm QR

Rim

Bontrager Kovee, double-wall, Tubeless Ready, 23mm width, Presta valve

- Size: XS, S - 28-hole

- Size: M, ML, L, XL - 32-hole

Tire

Bontrager Montrose Comp, wire bead, 30 tpi

- Size: XS, S - 27.5x2.40"

- Size: M, ML, L, XL - 29x2.40"

Rim Strip

Bontrager TLR

Max Tire Size

Frame: 29x2.40" (XS & S: 27.5x2.40"), Fork: See manufacturer

Drivetrain and Brakes
Shifter

Shimano U6000, 10 speed

Rear Derailleur

Shimano CUES U6000 GS

Crank

Shimano U4000, 30T chainring

- Size: XS, S, M, ML - 170mm length

- Size: L, XL - 175mm length

Bottom Bracket

Shimano, 73mm, threaded cartridge, 122.5mm spindle

Cassette

Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed

Chain

Shimano LG500, 9/10/11 speed

Pedals

Nylon platform

Brake Set

Shimano MT200 hydraulic disc

Brake Rotor

Shimano RT26, 6-bolt

- Size: XS, S - 160mm

- Size: M, ML, L, XL - 180mm

Cockpit
Saddle

Bontrager Verse Short, stainless steel rails

Seatpost

TranzX JD-YSI34, internal routing, 31.6mm

- Size: XS, S - 100mm travel, 350mm length

- Size: M - 125mm travel, 405mm length

- Size: ML, L, XL - 150mm travel, 456mm length

Handlebar

Bontrager alloy, 31.8mm

- Size: XS - 5mm rise, 690mm width

- Size: S - 15mm rise, 720mm width

- Size: M, ML, L, XL - 15mm rise, 750mm width

Grips

Trek Line Comp, nylon lock-on

Stem

Bontrager Comp, 31.8mm, 7 degree

- Size: XS, S - 35mm length

- Size: M, ML, L - Blendr compatible, 50mm length

- Size: XL - Blendr compatible, 60mm length

Headset

Semi-integrated, 1-1/8"

Additional Information
Weight

M - 15.00 kg / 33.07 lbs

Weight Limit

300 lbs (136 kg) maximum total weight (rider, bicycle, and cargo)

Frequently Asked Questions

How is the bike packaged and how long does delivery take?

All bikes are securely packaged to ensure that damage doesn't occur during shipping. All parts of the bike are padded and if needed, zip tied to minimize or eliminate movement inside the box. Once a bike is handed to the shipping company (usually Fedex or UPS), depending on your location, delivery will range from 1 day to 8 days. If you do choose the option for Professional Assembly or White Glove Delivery, this can add anywhere from 2 days to 5 days to the lead time.

Can I finance the purchase of my new bike?

Yes.  Simply select the Shop Pay Installments option which will allow you to buy now and pay later.  Shop Pay Installments is powered by Affirm.  If you would like to determine your spending limit, simply download the Shop app or the Affirm app on your smartphone and after you create an account on one of these apps, the app will let you know what is your spending limit.

Can I return the bike if it doesn't suit my needs?

Our return process is as follows. The customer is responsible for the return label ($150). Once the returned bike arrives at our warehouse, our team will inspect it and make sure it is in new condition and undamaged. Once we verify, we will process the return and issue a refund to the original payment method on file. To clarify the amount refunded, it would just be the amount of the bike (and tax if applicable) less the $150 shipping label that we provided, but the original shipping is not refunded. So if the original bike cost $4,500 and shipping was $150 (so you paid $4,650), you would be refunded $4,350 (the $4,500 less $150 for the return label) assuming the bike was returned in new and un-used condition and within the 30 day return period.

What does the warranty of my new bike or product cover and what is the warranty period?

Depending on the bike or any product, different companies have different warranty policies.  If you do ever have an issue with your bike or any product, simply email us at online@victorybicyclestudio.com and we will assist with any warranty issues and clarify the warranty for the affected product.

Can I have my bike serviced at any bike shop?

Typically, to avoid any issues with your warranty, you should bring your bike to a certified mechanic or bike store for that bike (i.e. if you have a Trek bicycle, you should bring the bike to be serviced to a local bike store that is an authorized Trek dealer).  If you need assistance, simply email us at online@victorybicyclestudio.com and we can direct you to a certified dealer of your bike.

Do you ship bikes internationally?

We unfortunately do not ship bikes outside of the 48 contiguous states of the United States. We do recommend for international customers to open (or use a current account) account with a freight forwarding company. If you use a freight forwarding company located in the U.S., make sure to put your billing address for a dedicated credit card as the same address as the freight forwarder so that you don't have any credit card or payment method issues).

Once you do this, simply place an order with us and we can ship to the U.S. address as long as the credit card doesn't get rejected. Once the freight forwarder has the box/order/shipment, you would instruct them to then ship to you in your home country and they would charge you their own shipping charge to ship to your international address.

Do you offer free shipping?

We do offer free shipping on non-bike orders over $100. We do not offer free shipping for bicycles unless it is a one time promotion. Generally, bike shipping will cost $150 and that covers just the shipping of the bike with no assembly. If you were to bring that bike to your local mechanic or bike store, you would pay them their assembly fee. If you choose our Professional Assembly option for $200, our service technicians would assemble the bike before shipping and then re-pack the bike safely for transit. When you receive the bike you would attach the front wheel, attach the seatpost/saddle, and raise the handlebars and clamp them. Those three items do have to be detached to minimize or eliminate the chance of damage in transit.

How much does shipping cost?

For orders of parts, accessories, apparel, etc. on orders under $100, shipping is a flat rate of $9.99. Regular bike shipping without assembly is $150, bike shipping with Professional Assembly is an additional $200 (so $350 in total which includes the $150 of regular shipping). Our White Glove Delivery option is $699 and that will cover the assembly of the bike and our White Glove Delivery partner delivering your dream bike to your front door, ready to ride!

How can I track my order?

When you place your online order, you will receive an instantaneous email update with your order number and order details, and shortly after, you will receive a follow up order email with the tracking number for your order.  If you still need assistance with your order, feel free to email us at online@victorybicyclestudio.com and we will respond asap.

What happens if my package arrives damaged?

If your package arrives damaged, email online@victorybicyclestudio.com with pictures of all angles of the box and pictures of the damaged product and we will work with you to either send a new replacement asap and coordinate return (or re-imburse you for labor or costs incurred to fix the issue at your local bike store).

Are pedals included with the bike?

If you do not see pedals in the bullet point product specs on the product page, the bike does not come equipped with pedals.  Many manufacturers do not spec bikes with pedals, so they are often purchased separately.

If I only pay the $150 for bike shipping, can I assemble the bike on my own?

Victory Bicycle Studio highly recommends that you bring your bike to your local certified bike store for the brand of the bike that you purchased. If you do attempt to assemble the bike and damage occurs, this may result in your warranty not being honored. For that reason, we do highly recommend to select our Professional Assembly option for $299.