The Stumpjumper 15 Alloy is here to crush every trail compromise. With GENIE Shock Technology, you get coil-like traction, air-spring bottom-out resistance, and tunable support for total control. That means 57% more traction, 39% fewer bottom-outs, and bump absorption that rides like a bike with way more travel.
Personalization takes center stage with six-way adjustable geometry, wheel-size options, and a tunable spring curve to match any style or terrain. Add in SWAT storage, proven durability, and a lifetime pivot bearing guarantee, and you’ve got a trail bike built for the future.
Key Features
- Ride Dynamics tuned FOX FLOAT Performance
- Eat up the chunkiest trails with the FOX FLOAT 36 Rhythm fork with GRIP damper
- Performance-focused and durable Shimano SLX drivetrain
- Big stopping power from TRP Trail EVO 4-piston brakes
- Trustworthy time and time again X-Fusion Manic dropper post
- Lifetime replacement of suspension pivot bearings to the original owner
Specifications
Frameset
- 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
- 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: Butcher/Eliminator, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready
Drivetrain
- Crankset: Shimano SLX, M7120, 32T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm
- Shifters: Shimano SLX, M7100, 12spd
- Rear Derailleur: Shimano SLX, M7100, SGS, 12-speed
- Chain: Shimano SLX, M7100, 12-speed
- Cassette: Shimano SLX, CS-M7100, 12-speed, 10-51t
- Bottom Bracket: Shimano, BB-MT801, Threaded
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: TRP Trail EVO, 4-piston caliper, hydraulic disc
- 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
Specialized Stumpjumper Sizing
| S1 (XS) | S2 (S) | S3 (M) | S4 (L) | S5 (XL) | S6 (XXL) | |
|---|---|---|---|---|---|---|
| Rider Height (cm) | 150 - 160 | 157 - 173 | 165 - 180 | 173 - 188 | 178 - 193 | 188 - 203 |
| Rider Height (in) | 4'11'' - 5'3'' | 5'2'' - 5'8'' | 5'5'' - 5'11'' | 5'8'' - 6'2'' | 5'10'' - 6'4'' | 6'2'' - 6'8'' |
Product code: 910692
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