Specialized Stumpjumper Alloy
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.
To download the Specialized MY21 Bike Sizing and S-Sizing Guide please CLICK HERE
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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
Seat Binder Alloy, 38.6mm
SUSPENSION
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
COCKPIT
Stem Alloy Trail Stem, 35mm bar bore
Saddle Body Geometry Bridge Saddle, steel rails
Tape Specialized Trail Grips
Handlebars Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 30mm rise, 780mm width
Seat Post TranzX dropper, 34.9mm, S1: 100mm, S2: 125mm, S3: 150mm. S4-S5: 170mm, S6- 200mm
BRAKES
Rear Brake Tektro Gemini Comp, hydraulic disc, resin pad, 180mm
Front Brake Tektro Gemini Comp, hydraulic disc, resin pad, 200mm
DRIVETRAIN
Cassette SRAM PG-1210 Eagle, 11-50t
Bottom Bracket SRAM Powerspline
Rear Derailleur SRAM SX Eagle, 12-speed
Chain SRAM SX Eagle, 12-speed
Crankset SRAM SX Eagle, S1:165mm, S2-S5: 170mm, S6: 175mm
Shift Levers SRAM SX Eagle, trigger, 12-speed
Chainrings 30T
WHEELS
Rear Hub Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
Front Hub Specialized alloy front hub disc, sealed cartridge bearings, 6-bolt, 15x110mm thru-axle, 28h
Front Tire Butcher, GRID casing, GRIPTON® T7 compound, 29x2.3"
Rims Double-wall alloy, 27mm internal width, 28h
Rear Tire Purgatory, GRID casing, GRIPTON® T7 compound, 29x2.3"
Inner Tubes Tubes, Standard 48mm PV Low Lead 29x1.75/2.4, Maxxis Brand
WHEELS & TIRES
Spokes Stainless, 14g
