2024 Trek

Marlin 6 Gen 3

A 26″ / 27.5″ / 29″ aluminum frame hardtail crosscountry bike with mid-range components.
Compare the full range

Manufacturer Price

$949
Weight32.0 lbs  
FrameAluminum
SuspensionHardtail, 80mm
ForkRockShox Judy
Wheels26″ / 27.5″ / 29″ Aluminum
Drivetrain1 × 10
GroupsetCUES, FSA
BrakesHydraulic Disc
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Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Marlin 6 Gen 3
Other Crosscountry bikes
Gearing

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.

Lowest gear

(climbing)

24 mph

Marlin 6 Gen 3

27 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Marlin model range

View Comparison
Sizing
13.5"

4'5" – 4'10"

14.5"

4'8" – 5'2"

15.5"

5'0" – 5'6"

17.5"

5'4" – 5'10"

18.5"

5'8" – 5'11"

19.5"

5'9" – 6'3"

21.5"

6'1" – 6'6"

23"

6'4" – 6'8"

Rider Fit Notes
  • 6'1", size Lg, Just right
  • 5'10", size Ml, Just right
Price History
Reviews
99 Spokes
Trek Marlin Model Overview: Which is Best for You?

Sep 2023

Not only is the Trek Marlin one of the most searched bikes on our website, it's also Trek's best selling mountain bike! And for good ...

Watch Review

Escape Collective
Trek Marlin Gen 3 review: Good bones - Escape Collective

Apr 2024 · James Huang

Trek’s entry-level aluminum hardtail mountain bike.

Highs
  • Fantastic frame geometry

  • Excellent shifting

  • Good tires

  • Looks great

  • Generous tire clearance

  • Easy-to-live-with semi-internal routing

  • Sort of a rear thru-axle.

Lows
  • Mega-heavy fork with minimal adjustability

  • Tubeless costs extra

  • Limited upgrade potential.

Read Review

Bikerumor
Trek Upgrades Its Most Popular Bike: The Marlin

May 2023

Riders can expect updated geometry, a new frame, increased tire clearance and a rear axle system that "enhances stability," Trek said.

Read Review

BikeRadar
Trek Marlin 8 review

Feb 2023 · Oscar Huckle

Can the Marlin compete with the bigger players?

Highs
  • Lots of frame sizes

  • Excellent tyre choice

  • Dropper seatpost

  • Upgrade potential

Lows
  • Roomier seated position would be preferred

  • Quick-release rather than thru-axle

  • Rattly internal cable routing

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Size: XXS, XS, Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew; Size: S, M, ML, L, XL, XXL, Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew

BB StandardBSA, 73mm, Threaded

Tire Clearance2.4"

Fork

Size: XXS, RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: XS, S, RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, ML, L, XL, XXL, RockShox Judy, coil spring, preload, TurnKey lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel

Travel80mm

Spring TypeCoil

Bottom Bracket

FSA, 73mm, threaded cartridge, 122.5mm spindle

Headset

Semi-integrated, 1-1/8''

Stem

Size: XXS, XS, S, Bontrager Comp, 31.8mm, 7 degree, 35mm length; Size: M, ML, L, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: XL, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: XXL, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length

Handlebar

Size: XXS, XS, Bontrager alloy, 31.8mm, 5mm rise, 690mm width; Size: S, Bontrager alloy, 31.8mm, 15mm rise, 720mm width; Size: M, ML, L, XL, XXL, Bontrager alloy, 31.8mm, 15mm rise, 750mm width

Saddle

Bontrager Verse Short, stainless steel rails

Seatpost

Size: XXS, Bontrager alloy, 31.6mm, 12mm offset, 300mm length; 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

TypeRigid

Pedals

VP-536 nylon platform

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

Shimano CUES U6000 GS

Crank

Size: XXS, XS, FSA Alpha Drive, 30T, 160mm length; Size: S, M, ML, FSA Alpha Drive, 30T, 170mm length; Size: L, XL, XXL, FSA Alpha Drive, 30T, 175mm length

Shifters

Shimano U6000, 10 speed

Cassette

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

Chain

Shimano LG500, 9/10/11 speed

Brakes

Size: XXS, XS, S, Tektro HD-M276 hydraulic disc, short reach; Size: M, ML, L, XL, XXL, Tektro HD-M275 hydraulic disc

TypeHydraulic Disc

Wheels
Rims

Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve

Front Hub

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

Rear Hub

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

Tires

Size: XXS, Bontrager XT3 Elite, Tubeless Ready, Inner Strength casing, wire bead, 60 tpi, 26x2.35''; Size: XS, S, Maxxis Ardent Race, tubeless, EXO casing, folding bead, 60tpi, 27.5x2.35''; Size: M, ML, L, XL, XXL, Maxxis Ardent Race, tubeless, EXO casing, folding bead, 60tpi, 29x2.35''

Disc Rotors

Tektro, 6-bolt, 160mm

Rider Notes
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Last updated May 11