2023 · TrekMarlin 6 Gen 3

2023 Trek Marlin 6 Gen 3

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

MSRP$899
Weight32.6 lbs
SuspensionHardtail
Travel100mm front
FrameAluminum
ForkSuntour XCT
Wheels26″ / 27.5″ / 29″ Aluminum
Drivetrain1 × 10
GroupsetDeore
BrakesHydraulic Disc
View on trekbikes.comLearn about Trek
Where to Buy
Similar Bikes

For This Bike

Upgrades
Top Comparison
Insights
Gearing

1 × 10 — 10 speed

Marlin 6 Gen 3

24 mph

Similar Bikes

27 mph

The Marlin 6 Gen 3 is easier to ride up hills than similar bikes.

The Marlin 6 Gen 3 won‘t keep up with similar bikes while riding downhill or sprinting.

Estimated Spec Level

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

Spec level →$0$200$400$600$800
This bike
Other crosscountry bikes
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"

Reviews
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

Oscar HuckleFeb 2023

Can the Marlin compete with the bigger players?

Pros
  • Lots of frame sizes

  • Excellent tyre choice

  • Dropper seatpost

  • Upgrade potential

Cons
  • Roomier seated position would be preferred

  • Quick-release rather than thru-axle

  • Rattly internal cable routing

Read Review

Geometry
Specs
Build
Frame

aluminum frame

BB StandardBSA, 73mm, Threaded

Tire Clearance2.4"

ColorsMatte Dnister Black; Hex Blue to Deepdark Blue; Blue Sage; Matte Olive Grey

Fork

Size: XXS, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 26'' wheel, 100mm QR, 100mm travel; Size: XS, S, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, ML, L, XL, XXL, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel

Bottom Bracket

VP BC73, 73mm, threaded cartridge

Headset

Semi-integrated, 1-1/8''

Stem

Size: XXS, XS, S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 35mm length; Size: M, ML, L, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: XL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: XXL, Bontrager alloy, 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 Arvada, steel rails, 138mm width

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

Grips

Bontrager XR Endurance Comp, lock-on

Groupset
Rear Derailleur

Shimano Deore M5120, long cage

Crank

Size: XXS, Prowheel C10Y-NW, 30T steel narrow-wide ring, 160mm length; Size: XS, S, M, ML, L, XL, XXL, Prowheel C10Y-NW, 30T steel narrow-wide ring, 170mm length

Shifters

Shimano Deore M4100, 10 speed

Cassette

Shimano Deore M4100, 11-46, 10 speed

Chain

KMC X10, 10 speed

Brakes

Tektro HD-M275 hydraulic disc

Wheels
Rims

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

Spokes

14g stainless steel

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 Comp, wire bead, 30 tpi, 26x2.35''; Size: XS, S, Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40''; Size: M, ML, L, XL, XXL, Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40''

Riders Also Viewed
Deals