Stumpjumper 15 EVO Alloy is here to obliterate every trade-off in the trail game. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. How about a heaping helping of personalization to make it perfect for the only rider who really matters—you?  Check, check, check.

• All-new M5 alloy frame with SWAT door integration
  
• Ride Dynamics tuned FOX FLOAT X Performance with Specialized GENIE patent-pending air spring technology provides maximum grip and traction found in a linear coil spring, bottom-out prevention found in a progressive air spring, and the ability to tune mid-stroke and end-stroke support independently. 2-position open and firm damper adjustments.
• Eat up the chunkiest trails with the FOX FLOAT 36 Rhythm fork with GRIP damper

Frameset
Seat Binder
Alloy, 38.6mm
Frame
M5 alloy chassis and rear-end, Trail Geometry, SWAT™ Door
integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel

Suspension
Fork
FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset S1:150mm of travel, S2-S6:160mm of travel
Rear Shock
FOX FLOAT X Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSR adjustment, 210x55mm

Brakes
Front Brake
SRAM DB8 Stealth
Rear Brake
SRAM DB8 Stealth

Drivetrain
Cassette
SRAM XG-1270 Transmission Cassette, 12-speed,10-52t
Chain
SRAM 70 Transmission 12-Speed Flattop Chain
Bottom Bracket
SRAM DUB Threaded Wide
Shift Levers
SRAM EAGLE 70
Rear Derailleur
SRAM Eagle 70 Transmission, 12-speed
Crankset
SRAM Eagle 70, 55mm chainline, 32T

Wheels & tires
Front Tire
Butcher, GRID TRAIL casing, Gripton T9 compound, 29X2.4
Spokes
DT Swiss Elemental
Rear Tire
Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4"
Front Hub
Specialized alloy front hub disc, sealed cartridge bearings, 6-bolt, 15x110mm thru-axle, 28h
Rear Hub
Specialized alloy rear hub disc, sealed cartridge bearings, 6-Bolt, 12X148mm thru-axle, 28h, HG Steel Fhb
Rims
Specialized, hookless alloy, 30mm inner width, tubeless ready
Inner Tubes
Standard, Presta Valve

Cockpit
Stem
Alloy Trail Stem, 35mm bar bore
Saddle
Bridge Comp, Hollow Cr-mo rails S1-S2: 155mm, S3-S6:143mm
Grips
Specialized Trail Grips
Handlebars
Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S6: 800 width, 50mm rise
SeatPost
X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 190mm

Accessories
SWAT
Internal SWAT Downtube Storage

Product details
Product ID
221474

Weight
Weight
16.55 kg (36 lb, 7.8 oz)
Weight Size
S4