Bike Comparison
    MSRP
    $579
    Where to Buy
    $1

    At

    $579

    At Trek

    Category
    CrosscountryCrosscountry
    Weight
    32.2 lbs
    7.5
    2.4
    CarbonAluminum
    Fork
    RockShox SID (air)Suntour XCE (coil)
    Wheels
    Carbon
    29″27.5″ / 29″
    Brakes
    Hydraulic DiscMechanical Disc
    Groupset
    XTRTourney, Altus
    Drivetrain
    2 × 7
    Suspension
    HardtailHardtail
    Front Travel
    80mm100mm
    Brand Site

    specialized.com

    trekbikes.com

    Summary
    The Specialized S-Works Stumpjumper Carbon 29 XTR is a 29″ carbon frame hardtail crosscountry bike with ultra high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2012 S-Works Stumpjumper Carbon 29 XTR
    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)

    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

    FACT 11m carbon, 29"" geometry, FACT IS construction, tapered HT, carbon PF30 BB, hollow carbon dropouts, replaceable alloy derailleur hanger

    BB StandardPF30, Press Fit

    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 StandardPF30, Press Fit

    Fork

    Custom RockShox SID World Cup 29 Brain, inertia valve damper, air spring, tapered carbon steerer, top-mount Brain Fade adj. and rebound adj. QR, S: 80mm travel, Others 90mm

    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

    PF30, press-fit

    VP BC73, 73mm, threaded cartridge

    Headset

    1-1/8 and 1-1/2"" Threadless, Campy style upper with 1-1/2"" lower, cartridge bearings, carbon top cap

    Semi-integrated, 1-1/8''

    Stem

    Syntace F109, 6º rise, 31.8mm clamp, S: 75mm, M: 90mm, L: 100mm, XL: 110mm

    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

    S-Works XC Carbon flat bar, uni-directional carbon, 680mm wide, 8º back sweep, 31.8mm

    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

    Specialized Body Geometry Phenom Expert, ti rails, 143mm width

    Bontrager Verse Short, stainless steel rails

    Seatpost

    S-Works Carbon, 27.2mm, single-bolt head, 15.5/17.5"": 350mm, Others: 400mm

    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

    Resin Test Ride Pedals with toe clips, CEN std.

    VP-536 nylon platform

    Grips

    Specialized lock-on, S/M: Grappler, Others: Grappler XL

    Bontrager XR Endurance Comp, lock-on

    Groupset
    Rear Derailleur

    Shimano XTR Shadow M980, 10-speed, medium cage

    Shimano Tourney TY300

    Front Derailleur

    Shimano XTR M986, 34.9mm clamp, down-swing, dual-pull

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

    Crank

    S-Works OS carbon crank, 10-speed XC double, S: 170mm, Others: 175mm

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

    Shifters

    Shimano XTR M980R, 10-speed, w/ I-Spec camps

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

    Cassette

    Shimano XTR 10-speed, 11-36t

    Shimano TZ500, 14-34, 7 speed

    Chain

    Shimano XTR M980, 10-speed

    KMC Z7, 7 speed

    Brakes

    Front: Shimano XTR, hydraulic disc, post mount, ti/metal pad, Ice Tech 160mm rotor, Rear: Shimano XTR M985, hydraulic disc, post mount, ti/metal pad, Ice Tech 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

    Brake Levers

    Shimano XTR M985 hydraulic, w/ I-Spec clamps

    Wheels
    Rims

    Roval Control SL 29, carbon disc, 28mm, 32h

    Spokes

    DT Swiss Revolution 2.0/1.5/2.0mm stainless, DT Aerolite, bladed, painted

    Front Hub

    Roval Control SL 29, carbon/alloy, OS 28mm end caps, QR, 32h

    Rear Hub

    Roval Control SL 29, DT Star Ratchet, QR, 32h

    Tires

    Front: S-Works Renegade, 120 TPI, 2Bliss ready aramid bead, dual-compound, 29x1.95"", Rear: S-Works Renegade, 120 TPI, 2Bliss ready aramid bead, dual-compound, 29x1.95""

    Disc Rotors

    Tektro, 6-bolt, 160mm

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