Rockhopper Comp 2X


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The newer Rockhopper Comp 2x can be found here.

Part No. 91220-5401


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London (Ruislip)
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Big rides are big fun in the right company, and the Rockhopper Comp 2X is up for any adventure. The 18-speed Shimano drivetrain lets you climb strong deep into the day, and the A1 alloy frameset’s smooth, comfortable ride keeps you feeling fresh and ready for anything.


Settle in for any climb with the Shimano Altus 18-speed drivetrain, with two chainrings and a wide-range cassette for the perfect gear on any terrain. Ergonomic Rapidfire Plus™ trigger shifters offer precise gear changes without changing your grip compromising control.


We chose different front and rear tires optimized around each wheel’s purpose. The front Ground Control Sport tire’s aggressive side knobs offer grippy cornering bite in varied conditions. The low center tread on the Fast Trak rear provides efficient power transfer.

SR SunTour XCM suspension fork with custom Multi-Circuit Damping for responsive ride.

Smooth, powerful Shimano hydraulic brakes offer reliable stops and control in all conditions.

Ergonomic Stout XC handlebar provides a comfortable rider position with superb control.

    FRAMEA1 alloy, Sport XC 29 Geometry, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger
    FORKSR Suntour XCM 29, Rx Tune, coil spring, custom Multi-Circuit damping, QR, 80/90/100mm travel (size-specific), 46mm offset
    STEMStout 3D-forged alloy, 31.8mm, 6-degree rise
    HANDLEBARSStout XC, double-butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm
    FRONT BRAKEShimano BR-MT200, hydraulic disc, 180mm
    GRIPSSpecialized Trail Grips, lock-on
    REAR BRAKEShimano BR-MT200, hydraulic disc, 160mm
    FRONT DERAILLEURShimano Altus FD-M2020 2-speed
    REAR DERAILLEURShimano Acera, 9-speed
    SHIFT LEVERSShimano Altus, 2x9
    CASSETTE SunRace, 9-Speed, 11-36t
    CHAINKMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™
    CRANKSETStout 2x, forged alloy
    BOTTOM BRACKET Square-tapered, 73mm, internal bearings
    RIMSAlloy, disc only, double-wall, 25mm internal width
    FRONT HUBShimano, Center Lock™ disc, 9x100mm spacing, quick-release, 28h
    REAR HUBShimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h
    FRONT TYREGround Control Sport, 29x2.3"
    SPOKESStainless, 14g
    REAR TYREFast Trak Sport, 29x2.3"
    INNER TUBESSchrader valve
    SADDLESpecialized Bridge, size specific, 143/155mm
    SEATPOSTAlloy, 12mm offset, 2-bolt clamp, 30.9mm
    SEAT BINDERAlloy, quick-release clamp, 34.9mm

    As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.

    Size XS S M L XL XXL
    BB Drop 57.5mm 57.5mm 57.5mm 57.5mm 57.5mm 57.5mm
    BB Height 312.5mm 312.5mm 312.5mm 312.5mm 312.5mm 312.5mm
    Bike Standover Height 719mm 765mm 776mm 807mm 837mm 861mm
    Chainstay Length 440mm 440mm 440mm 440mm 440mm 440mm
    Fork Length, Full 486mm 496mm 506mm 506mm 506mm 506mm
    Fork Rake/Offset 51mm 51mm 51mm 51mm 51mm 51mm
    Front Center 631mm 650mm 676mm 704mm 730mm 742mm
    Head Tube Angle 69.8° 69.8° 69.8° 69.8° 69.8° 69.8°
    Head Tube Length 95mm 95mm 95mm 110mm 125mm 125mm
    Reach 380mm 395mm 418mm 441mm 462mm 474mm
    Seat Tube Angle 74° 73.9° 73.8° 73.7° 73.6° 73.6°
    Seat Tube Length 370mm 400mm 430mm 470mm 520mm 560mm
    Stack 586mm 595mm 605mm 619mm 633mm 633mm
    Top Tube Length, Horizontal 548mm 567mm 594mm 622mm 648mm 660mm
    Trail 82mm 82mm 82mm 82mm 82mm 82mm
    Wheelbase 1065mm 1084mm 1110mm 1138mm 1164mm 1176mm

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