2021 Trek

Marlin 5

A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with mid-range components.
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Manufacturer Price

$599
Weight31.8 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkSuntour XCE
Wheels27.5″ / 29″ Aluminum
Drivetrain3 × 7
GroupsetTourney, Altus
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Marlin 5
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)

30 mph

Marlin 5

27 mph

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Highest gear

(descending)

Spec Level

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

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Reviews
Bicycling
The Trek Marlin 7 Has The Heart Of A Race Bike

Dec 2019

This cheap mountain bike is the perfect gateway drug to your next (trail riding) addiction.

Highs
  • Wide range of gears with 2x9 drivetrain

Lows
  • Wheels and tires aren’t tubeless-ready

Read Review

MBR
Trek Marlin 6 review - MBR

Jun 2019 · Alan Muldoon

The first of two 29er to make it into the sub 500 category, the Trek Marlin 6 certainly didn't behave like a fish out of water.

Highs
  • Top-rate frame quality, available in seven sizes Independent Shimano shifters

Lows
  • Cable and chain rattle. Rear tyre is too skinny

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Size: XS, S, Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR; Size: M, ML, L, XL, XXL, Alpha Silver Aluminium, internal routing, chainstay disc-brake mount, rack and kickstand mount, 135x5 mm QR

BB StandardBSA, 73mm, Threaded

Tire Clearance2.2"

ColorsTrek Black / Lithium Grey; Dark Aquatic / Trek Black; Factory Orange / Lithium Grey

Fork

Size: XS, SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel; Size: S, SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel; Size: M, ML, L, XL, XXL, SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel

Travel100mm

Spring TypeCoil

Bottom Bracket

VP BC73, 73 mm, threaded cartridge

Headset

Semi-integrated, 1-1/8''

Stem

Size: XS, Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length; Size: S, Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length; Size: M, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length; Size: ML, L, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length; Size: XL, XXL, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 90 mm length

Handlebar

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

Saddle

Bontrager Arvada, steel rails, 138 mm width

Seatpost

Size: XS, S, M, Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length; Size: ML, L, XL, XXL, Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length

TypeRigid

Pedals

VP-536 nylon platform

Grips

Bontrager XR Endurance Comp

Groupset
Rear Derailleur

Shimano Tourney TY300

Front Derailleur

Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull

Crank

Size: XS, S, M, Shimano Tourney TY301, 42/34/24, 170 mm length; Size: ML, L, XL, XXL, Shimano Tourney TY301, 42/34/24, 175 mm length

Shifters

Size: XS, S, M, ML, L, XL, XXL, Shimano Altus M315, 3-speed; Size: XS, S, M, ML, L, XL, XXL, Shimano Altus M315, 7 speed

Cassette

Shimano HG200, 12-32, 7-speed

Chain

KMC Z7, 7-speed

Brakes

Tektro HD-M275 hydraulic disc, 180 mm rotor

TypeHydraulic Disc

Wheels
Rims

Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

Spokes

14 g stainless steel

Front Hub

Formula DC-20, alloy, 6-bolt, 5x100 mm QR

Rear Hub

Formula DC-27, alloy, 6-bolt, 7sp freehub, 135x5 mm QR

Tires

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"; Size: M, ML, L, XL, XXL, Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.00"

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Last updated February 18
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