The Stumpjumper 15 has been named “Best in Test” by Enduro Mountainbike Magazine, standing out among the most advanced trail bikes of the year. Thanks to its GENIE suspension system and its outstanding handling and versatility, the Stumpjumper 15 truly dominates every trail.

The Stumpjumper 15 with GENIE gives me the advantages of a long‑travel bike and those of a short‑travel bike, all in one.

Available sizes: M – L

Technical Specifications

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

Suspension

Rear Shock FOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2‑position lever w/ LSR adjustment, S1: 210×52.5mm, S2–S6: 210x55mm

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

Brakes

Front Brake SRAM Maven Bronze, 4‑piston caliper, hydraulic disc, 200mm

Rear Brake SRAM Maven Bronze, 4‑piston caliper, hydraulic disc, S1–S2: 180mm, S3–S6: 200mm

Drivetrain

Shifter SRAM AXS POD Controller

Rear Derailleur SRAM S1000 Eagle Transmission Derailleur

Cassette SRAM XS‑1270 Transmission Cassette, 12‑speed, 10–52t

Crankset SRAM S1000 Crankset, 32T ring, Integrated Guard, 55mm chainline, S1–S3: 165mm, S4–S6: 170mm

Wheels

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

Front Tire Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29×2.3″

Rear Tire Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1–S2: 27.5×2.3″, S3–S6: 29×2.3″

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

Weight

14.87 kg (32 lb 12.5 oz) Measured size: S4