Bike Comparison
    MSRP
    $619$579
    Where to Buy
    $1

    At

    $579

    At Trek

    Category
    CrosscountryCrosscountry
    Weight
    31.7 lbs32.2 lbs
    2.4
    2.4
    AluminumAluminum
    Fork
    Suntour XCESuntour XCE
    Wheels
    Aluminum
    27.5″ / 29″27.5″ / 29″
    Brakes
    Mechanical DiscMechanical Disc
    Groupset
    Tourney, AltusTourney, Altus
    Drivetrain
    3 × 72 × 7
    Suspension
    HardtailHardtail
    Front Travel
    100mm100mm
    Brand Site

    trekbikes.com

    trekbikes.com

    Summary
    The Trek Marlin 4 is a 27.5″ / 29″ aluminum frame hardtail crosscountry bike with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2022 Marlin 4
    2024 Marlin 4 Gen 2
    Other Crosscountry bikes
    Gear Range

    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)

    26 mph

    2022 Marlin 4

    22 mph

    2024 Marlin 4 Gen 2

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Frame

    aluminum frame

    BB StandardBSA, 73mm, Threaded

    Tire Clearance2.2"

    ColorsMatte Trek Black; Voodoo Aloha Green; Matte Anthracite; Magenta

    Size: XS, S, Alpha Silver Aluminum, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR; Size: M, ML, L, XL, Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR

    BB StandardBSA, 73mm, Threaded

    Tire Clearance2.2"

    ColorsMatte Trek Black; Voodoo Aloha Green; Matte Anthracite; Magenta

    Fork

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

    Travel100mm

    Spring TypeCoil

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

    Travel100mm

    Spring TypeCoil

    Bottom Bracket

    Size: XS, S, M, ML, L, XL, XXL, VP BC73, 73mm, threaded cartridge; Size: XS, S, M, ML, L, XL, XXL, Sealed cartridge, 73mm

    VP BC73, 73mm, threaded cartridge

    Headset

    Semi-integrated, 1-1/8''

    Semi-integrated, 1-1/8''

    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 alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: XL, XXL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length

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

    Handlebar

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

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

    Saddle

    Bontrager Arvada, steel rails, 138mm width

    Bontrager Verse Short, stainless steel rails

    Seatpost

    Size: XS, S, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: M, Bontrager alloy, 31.6mm, 12mm offset, 360mm length; Size: ML, L, XL, XXL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length

    Size: XS, S, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: M, Bontrager alloy, 31.6mm, 12mm offset, 360mm length; Size: ML, L, XL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length

    Pedals

    VP-536 nylon platform

    VP-536 nylon platform

    Grips

    Bontrager XR Endurance Comp, lock-on

    Bontrager XR Endurance Comp, lock-on

    Groupset
    Rear Derailleur

    Shimano Tourney TY300, long cage, 34T max cog

    Shimano Tourney TY300

    Front Derailleur

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

    Shimano Altus M315, 34.9mm clamp, top swing, dual pull

    Crank

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

    Size: XS, S, M, ProWheel TM-CY10, 36/22, 170mm length; Size: ML, L, XL, ProWheel TM-CY10, 36/22, 175mm length

    Shifters

    Shimano Altus EF500, 7 speed

    Size: XS, S, M, ML, L, XL, Shimano EF500, 8 speed; Size: XS, S, M, ML, L, XL, Shimano EF500, 7 speed

    Cassette

    Shimano TZ500, 14-28, 7 speed

    Shimano TZ500, 14-34, 7 speed

    Chain

    KMC Z7, 7 speed

    KMC Z7, 7 speed

    Brakes

    Size: XS, S, M, ML, L, XL, XXL, Tektro MD-M280 mechanical disc, 160mm rotor; Size: XS, S, M, ML, L, XL, XXL, Tektro MD-M281 mechanical disc, 160mm rotor

    Size: XS, S, M, ML, L, XL, Tektro MD-M280 mechanical disc; Size: XS, S, M, ML, L, XL, Tektro MD-M281 mechanical disc

    Wheels
    Rims

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

    Spokes

    14g stainless steel

    Front Hub

    Formula DC-20, alloy, 6-bolt, 5x100mm QR

    Rear Hub

    Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135x5mm 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''

    Disc Rotors

    Tektro, 6-bolt, 160mm

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