Specialized Stumpjumper 15 Comp Carbon 2025 Mountain Bike

The Stumpjumper 15 is designed to eliminate every compromise on the trail, combining big-bike bump-eating capability with the precise control, efficiency, and playfulness of a short-travel machine. Its groundbreaking GENIE shock technology delivers coil-like suppleness, unmatched traction, and exceptional bottom-out resistance, giving riders a truly "best of both worlds" suspension experience.

With highly tunable geometry, multiple wheel configurations, and a responsive carbon chassis, the Stumpjumper 15 is built for personalization and performance on any terrain. From SWAT 4.0 storage to field-proven durability, every detail is engineered to enhance the ride while letting you fine-tune the setup to match your style.

Key Features

• GENIE shock technology offers coil-like control with superior bottom-out resistance


• Six-way adjustable geometry for highly personalized handling


• Mixed-wheel or full-29" compatibility with aftermarket links


• FACT 11m lightweight carbon chassis with Ride Dynamics tuned FOX FLOAT suspension


• SRAM Eagle T-Type AXS drivetrain paired with SRAM Maven Bronze brakes

Specifications

Frameset

• Frame: FACT 11m carbon chassis and rear-end, 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


• Fork: FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel


• Rear Shock: FOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/ LSR adjustment, S1:210x52.5mm, S2-S6:210x55mm

Wheels

• Rims: Specialized, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2:27.5, S3- S6:29


• Tyres: Front: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3 Rear: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3

Drivetrain

• Crankset: SRAM S1000 Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm


• Shifters: SRAM AXS POD Controller


• Rear Derailleur: SRAM S1000 Eagle Transmission Derailleur


• Chain: SRAM GX Eagle Transmission Flattop Chain


• Cassette: SRAM XS-1270 Transmission Cassette, 12spd, 10-52t

Components

• Handlebar: Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S4: 800 width, 30mm rise: S5-S6: 800 width, 40mm rise


• Stem: Alloy Trail Stem, 35mm bar bore


• Grips: Specialized Trail Grips


• Brakes: SRAM Maven Bronze, 4-piston caliper, hydraulic disc, 200mm


• Saddle: Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm


• 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


• Extras: SWAT 4.0 internal downtube storage

Specialized Stumpjumper Sizing

Product code: 910557