Bike Comparison
    MSRP
    $1,000$849
    Where to Buy
    $712

    29% off At Specialized

    $699

    18% off At Trek

    $749

    12% off At Trek

    Category
    CrosscountryCrosscountry
    Weight
    31.1 lbs
    3.4
    3.5
    AluminumAluminum
    Fork
    Suntour XCMSuntour XCT
    Wheels
    AluminumAluminum
    29″27.5″ / 29″
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    microSHIFT AdventDeore
    Drivetrain
    1 × 91 × 10
    Suspension
    HardtailHardtail
    Front Travel
    100mm100mm
    Brand Site

    specialized.com

    trekbikes.com

    Summary
    The Specialized Rockhopper Comp 29 is a 29″ aluminum frame hardtail crosscountry bike with mid-range components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2021 Rockhopper Comp 29
    2023 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)

    24 mph

    2023 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

    ColorsGloss Metallic White Silver / Satin Black; Gloss Oasis / Tarmac Black; Gloss Clay / Satin Cast Blue Metallic; Satin Smoke / Satin Black

    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

    ColorsGloss Metallic White Silver / Satin Black; Gloss Oasis / Tarmac Black; Gloss Clay / Satin Cast Blue Metallic; Satin Smoke / Satin Black

    Fork

    SR Suntour XCM 29, 30mm Stanchions, Rx Tune, coil spring, custom Multi-Circuit damping w/lockout, QR, 90/100mm travel (size-specific), 46mm offset

    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

    Square-tapered, 73mm, internal bearings, 122.5mm spindle

    Sealed cartridge, 73mm

    Headset

    Semi-integrated, 1-1/8''

    Stem

    Stout 3D-forged alloy, 31.8mm, 6-degree rise

    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

    Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm

    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

    Bontrager Arvada, steel rails, 138mm width

    Seatpost

    Alloy, 2-bolt clamp, 30.9mm

    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

    Specialized Body Geometry Fitness, platform, plastic

    VP-536 nylon platform

    Grips

    Specialized Trail Grips, lock-on

    Bontrager XR Endurance Comp, lock-on

    Groupset
    Rear Derailleur

    microSHIFT Advent, 1x9 w/ clutch

    Shimano Deore M5120, long cage

    Crank

    Stout 1x, forged alloy

    Prowheel C10Y-NW, 30T steel narrow-wide ring, 170mm length

    Shifters

    microSHIFT Advent, 9-speed

    Shimano Deore M4100, 10 speed

    Cassette

    microSHIFT Advent, 9-speed, 11-42t

    Shimano Deore M4100, 11-46, 10 speed

    Chain

    KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™

    KMC X10, 10 speed

    Brakes

    Front: Tektro HD-M275, hydraulic disc, 180/160mm, Rear: Tektro HD-M275, hydraulic disc, 160mm

    Tektro HD-M275 hydraulic disc, 180mm rotor

    Wheels
    Rims

    Stout Alloy, hookless, double-wall, 25mm inner width

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

    Spokes

    Stainless, 14g

    Front Hub

    Shimano HB-TX505, Center Lock™ disc, 9x100mm spacing, quick-release, 28h

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

    Rear Hub

    Shimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h

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

    Tires

    Front: Ground Control Sport, 29x2.3", Rear: Ground Control Sport, 29x2.3"

    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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