Bike Comparison
    MSRP
    $1,299$1,400
    $599$739
    $649$849
    Where to Buy
    $1

    At

    $1

    At

    $649

    24% off At Trek

    $599

    29% off At Trek

    Category
    CrosscountryCrosscountryCrosscountry
    Weight
    28.7 lbs30.8 lbs31.1 lbs
    4.2
    3.2
    3.5
    AluminumAluminumAluminum
    Fork
    RockShox Judy (air)Suntour XCM (coil)Suntour XCT (coil)
    Wheels
    AluminumAluminumAluminum
    29″27.5″ / 26″ / 29″27.5″ / 29″
    Brakes
    Hydraulic DiscHydraulic DiscHydraulic Disc
    Groupset
    SX EagleAltus, ShimanoDeore
    Drivetrain
    1 × 122 × 81 × 10
    Suspension
    HardtailHardtailHardtail
    Front Travel
    100mm100mm100mm
    Brand Site

    specialized.com

    trekbikes.com

    trekbikes.com

    Summary
    The Specialized Rockhopper Expert 29, Trek Marlin 5 Gen 2, and Trek Marlin 6 Gen 2 are all aluminum frame hardtail crosscountry bikes. The Rockhopper Expert 29 has 29″ aluminum wheels, better components, and a better fork; the Marlin 5 Gen 2 has 27.5″ / 26″ / 29″ aluminum wheels; and the Marlin 6 Gen 2 has 27.5″ / 29″ aluminum wheels.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Rockhopper Expert 29
    Marlin 5 Gen 2
    Marlin 6 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

    Marlin 5 Gen 2

    24 mph

    Marlin 6 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

    Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible

    ColorsSatin Silver Dust / Black Holographic; Gloss Oak Green Metallic / Metallic White Silver; Gloss Lagoon Blue / Satin Light Silver

    Size: XXS, 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, XXL, Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR

    ColorsSatin Silver Dust / Black Holographic; Gloss Oak Green Metallic / Metallic White Silver; Gloss Lagoon Blue / Satin Light Silver

    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, XXL, Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR

    ColorsSatin Silver Dust / Black Holographic; Gloss Oak Green Metallic / Metallic White Silver; Gloss Lagoon Blue / Satin Light Silver

    Fork

    RockShox Judy, Solo Air, Turnkey damper, 46mm offset, QR, 80/90/100mm travel (size-specific), alloy steerer

    Travel100mm

    Spring TypeCoil

    Size: XXS, SR Suntour XCM 30, coil spring, preload, hydraulic lockout, 42mm offset for 26'' wheel, 100mm QR, 100mm travel; Size: XS, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: 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

    Travel100mm

    Spring TypeCoil

    Size: XS, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: 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

    Travel100mm

    Spring TypeCoil

    Bottom Bracket

    SRAM Powerspline

    Sealed cartridge, 73mm

    Sealed cartridge, 73mm

    Headset

    Semi-integrated, 1-1/8''

    Semi-integrated, 1-1/8''

    Stem

    3D-forged alloy, 31.8mm, 7-degree rise

    Size: XXS, Bontrager Comp, 31.8mm, 7 degree, 35mm length; Size: XS, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: S, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: ML, L, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: XL, XXL, Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 90mm length

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

    Handlebar

    Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm

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

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

    Saddle

    Bridge Sport, Steel rails, 155/143mm

    Bontrager Arvada, steel rails, 138mm width

    Bontrager Arvada, steel rails, 138mm width

    Seatpost

    Alloy, 2-bolt clamp, 30.9mm

    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

    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

    Pedals

    SBC-54 Flat pedal

    VP-536 nylon platform

    Grips

    Specialized MTB Grip, lock-on

    Bontrager XR Endurance Comp, lock-on

    Groupset
    Rear Derailleur

    SRAM SX Eagle, 12-speed

    Shimano Altus M310

    Shimano Deore M5120, long cage

    Front Derailleur

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

    Crank

    SRAM SX Eagle, Powerspline

    Size: XXS, Prowheel TM-CY10, 36/22, 160mm length; Size: XS, S, M, Shimano M315, 36/22, 170mm length; Size: ML, L, XL, XXL, Shimano M315, 36/22, 175mm length

    Size: XS, S, M, ML, Prowheel C10Y-NW, 30T steel narrow-wide ring, 170mm length; Size: L, XL, XXL, Prowheel C10Y-NW, 30T steel narrow-wide ring, 175mm length

    Shifters

    SRAM SX Eagle, trigger, 12-speed

    Size: XXS, XS, S, M, ML, L, XL, XXL, Shimano M315, 2 speed; Size: XXS, XS, S, M, ML, L, XL, XXL, Shimano M315, 8 speed

    Shimano Deore M4100, 10 speed

    Cassette

    SRAM PG-1210 Eagle, 11-50t

    Shimano HG200, 12-32, 8 speed

    Shimano Deore M4100, 11-46, 10 speed

    Chain

    SRAM SX Eagle, 12-speed

    KMC Z8.3, 8 speed

    KMC X10, 10 speed

    Brakes

    Front: SRAM Level, hydraulic disc, 180/160mm, Rear: SRAM Level, 2-piston caliper, hydraulic disc, 180mm

    Tektro HD-M275 hydraulic disc, 180mm rotor

    Tektro HD-M275 hydraulic disc, 180mm rotor

    Wheels
    Rims

    Specialized Alloy, hookless, Tubeless ready, 25mm inner width

    Size: XS, S, Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve, Black; Size: M, ML, L, XL, XXL, Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

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

    Spokes

    Stainless, 14g

    Front Hub

    Formula DC-20, 6-Bolt, disc, 100x9mm spacing, quick-release

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

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

    Rear Hub

    Formula DC-22, 6-Bolt freehub, disc, 135x9mm spacing, quick-release

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

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

    Tires

    Front: Specialized Fast Trak, Control Casing, T5 Compound, 29x2.35, Rear: Specialized Fast Trak, Control Casing, T5 Compound, 29x2.35

    Size: XXS, Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20''; 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: 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''

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