Stumpjumper Alloy
Specialized

The Stumpjumper Alloy brings all-new suspension kinematics and progressive geometry into a full-alloy package that's both lightweight and extremely durable. Outfitted with a no-fuss SRAM SX 12-speed groupset, the Stumpjumper Alloy is your all-access pass for trail adventure…

Specifications

Frameset
  • Frame
    Alloy chassis and rear-end, asymmetrical design, 29 Trail Geometry, horst pivot BB adjustment, threaded BB, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel
  • Fork
    RockShox 35 Silver, Solo Air, 44mm offset, rebound adjust, TurnKey lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 140mm of travel
  • Rear Shock
    X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout S1:190x42.5mm, S2-S6: 190x45mm
Drivetrain
  • Rear Derailleur
    SRAM SX Eagle, 12-speed
  • Shifter
    SRAM SX Eagle, trigger, 12-speed
  • Crank
    SRAM SX Eagle, S1:165mm, S2-S5: 170mm, S6: 175mm
  • Bottom Bracket
    SRAM Powerspline
  • Cassette
    SRAM PG-1210 Eagle, 11-50t
  • Chain
    SRAM SX Eagle, 12-speed
Components
  • Brakes
    (F) Tektro Gemini Comp, hydraulic disc, resin pad, 200mm, (R) Tektro Gemini Comp, hydraulic disc, resin pad, 180mm
  • Rotors
    200mm/180mm
  • Seatpost
    TranzX dropper, 34.9mm, S1: 100mm, S2: 125mm, S3: 150mm. S4-S5: 170mm, S6- 200mm
  • Saddle
    Body Geometry Bridge Saddle, steel rails
  • Handlebar
    Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width
  • Stem
    Alloy Trail Stem, 35mm bar bore
  • Grips
    Specialized Trail Grips
Wheels
  • Wheels
    Double-wall alloy, 27mm internal width, 28h
  • Wheel Size
    29"
  • Hubs
    (F) Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h, (R) Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
  • Tires
    (F) Butcher, GRID casing, GRIPTON® T7 compound, 29x2.3", (R) Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3"
More Info
Mountain bike pricing and specifications are ever changing. This info was last updated January 6, 2022.
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