Specialized S-Works Stumpjumper 15 EVO Shimano XTR Di2, FOX Factory (2026)

Specialized S-Works Stumpjumper 15 EVO Shimano XTR Di2, FOX Factory (2026)

The all-new Stumpjumper 15 EVO obliterates every trade-off in the trail game. It’s the ‘Bike of the Year’ winning Stumpy 15 you know, turned up to 11—with a longer-travel 160mm FOX fork, external reservoir FOX FLOAT X shock, and a slacker headtube for next-level capability. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. A heaping helping of personalization to make it perfect for the only rider who matters—you? Check, check, check.

Highlights

• Use - Trail
• FACT 11m carbon chassis and carbon link w/ SWAT
• Suspension - Front: 160mm FOX FLOAT 36 Factory, GRIP X2; Rear: 145mm FOX FLOAT X GENIE Factory
• Drivetrain - Shimano XTR Di2
• Wheels - Traverse SL II w/ I9 Hydra 2
• Weight - 30lbs. 11.6oz.

Technical Specifications

Frameset

• Seat Binder: Alloy, 38.6mm
• Frame: FACT 11m carbon chassis, rear-end and link, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal brake and dropper cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
• SWAT: SWAT 4.0 internal downtube storage

Suspension

• Fork: FOX FLOAT 36 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm Kabolt axle, 44mm offset, S1:150mm of travel, S2-S6:160mm of travel
• Rear Shock: FOX FLOAT X Factory with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSC adjustment, LSR adjustment, 210x55mm

Brakes

• Front Brake: Shimano XTR, 4-piston caliper, hydraulic disc, 203mm rotor
• Rear Brake: Shimano XTR, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm rotor

Drivetrain

• Bottom Bracket: Shimano BB93
• Shift Levers: Shimano XTR Di2
• Rear Derailleur: Shimano XTR Di2 RD-M9250, 12-speed
• Chain: Shimano XTR, 12-speed w/ quick link
• Cassette: Shimano XTR CS-M9200, 12-speed, 10-51t
• Crankset: Shimano XTR, 55mm chainline, 32T, S1-S3: 165mm, S4-S6: 170mm

Wheels & Tires

• Front Tire: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, TLR, 29X2.4
• Rear Tire: Eliminator, GRID TRAIL casing, Gripton T7 compound, TLR, S1-S2: 27.5x2.4", S3- S6: 29x2.4"
• Front Wheel: Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra 2 Hub, 15x110mm, 28h, DT Swiss Revolite Spokes, 6 bolt
• Rear Wheel: Roval Traverse SL II Rim, hookless carbon, 30mm inner width, tubeless ready, 29", Industry 9 Hydra 2 Hub, 12x148mm, 28h, DT Swiss Revolite Spokes, 6 bolt
• Inner Tubes: Standard, Presta Valve

Cockpit

• Grips: Deity Lockjaw, Lock On, 32mm OD, 133mm Length, Black
• Seatpost: FOX Transfer NEO Factory, 34.9, S1:125mm, S2: 150mm, S3: 175mm, S4-S6: 200mm
• Stem: Race Face Turbine R, 35mm clamp, 40mm length
• Handlebars: RaceFace ERA Carbon, 5-degree upsweep, 8-degree backsweep. S1-S2: 800 width, 20mm rise: S3-S6: 800 width, 55mm rise
• Saddle: Specialized S-Works Power Mirror, Ti Rails, S1-S2: 155mm, S3-S6:143mm

Geometry (mm)

Weight: 30lbs. 11.6oz., manufacturer spec