Specialized Stumpjumper 15 Comp Alloy Bike (2025)

Specialized Stumpjumper 15 Comp Alloy mountain bike for enduro, gray color, 2025. Specialized reference: 93325-5402

The Stumpjumper 15 is here to eliminate all the trade-offs in trail riding. Does it eat up bumps like a big bike? Checked. Short-travel control, fun, and efficiency? Double-checked. And how about a hefty dose of customization to make it perfect for the only rider that really matters: you? Checked, checked, checked.

• INCREDIBLE CAPABILITY: GENIE shock technology combines lively and playful handling with a bottomless DH feel.
• MAXIMUM CONTROL: Better traction than the "Bike of the Year" Stumpjumper EVO.
• GENIE-The Magic Carpet Ride: The biggest innovation of the Stumpjumper 15 is GENIE. This patent-pending air shock technology we invented fulfills every rider's three wishes: coil-like feel and control, better bottom-out resistance than a standard air shock, and an adjustable "platform" for a playful ride.
• ILLUMINATING GENIE: GENIE combines the linear spring rate of a coil that enhances control in the "bump zone" with the progressive spring rate of an air spring at the end of the travel to avoid bottoming out. Truly, it's the best of both worlds—coil and air—with greater adjustability. Say goodbye to compromises and hello to the future of riding: With 16.3% better bump force management than a traditional air shock, GENIE makes the Stumpy 15 ride like a longer-travel bike. For example, the Stumpjumper 15 (with 145mm rear wheel travel) and our Enduro (170mm travel) use 101mm of travel to absorb a bump force of 1080 N.
• AMPLIFIED TRACTION: Extensive field testing shows that the Stumpjumper 15 with GENIE offers 57% more traction than a standard air shock, as the GENIE technology provides a flexible, coil-like performance that keeps the wheel in contact with the ground a higher percentage of the time than a typical air shock.
• NO MORE BOTTOM-OUTS: 39% fewer bottom-outs than a standard shock. During big impacts, it benefits from the progressive rate in the last 30% of GENIE's travel. Due to this steep two-stage ramp, GENIE reduces the frequency and severity of bottom-outs. OPTIMIZED GEOMETRY: This bike's geometry delivers big-bike capability when you need it, nimble handling on playful sections, and agile, efficient climbing. The generous cockpit centers you on the bike, optimizing traction and control in corners. The low bottom bracket, slack head angle, and optimized fork offset maintain stability on rough terrain.
• RIDE YOUR WAY: The Stumpjumper 15 seamlessly integrates benchmark geometric adjustability, making it the most customizable trail bike ever. Six distinct geometry settings let you dial in performance for any style and terrain. The head angle and bottom bracket height can be precisely adjusted for stability or clearance.
• WHEELS FOR EVERYONE: With our aftermarket shocks, you can choose big wheels front and rear or mix things up with a 27.5" rear for a more responsive and playful ride. Whatever you choose, the geometry remains unaffected.
• BRING IT ALL: The SWAT 4.0 in the Stumpjumper 15 increases downtube storage, an innovation we pioneered. It’s the most weather-resistant storage system.
• MORE RELIABLE THAN YOU: Our full-suspension bikes are built to be relentless, designed to withstand years of hard riding, and backed by the best support and policies to keep you on the trail. Our unbeatable lifetime, no-questions-asked warranty on suspension pivot bearings for the original owner is just one way we've got you covered.

Technical 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
• SEAT BINDER: Alloy, 38.6mm
• SWAT: SWAT internal downtube storage

Cockpit

• STEM: Alloy Trail Stem, 35mm bar bore
• HANDLEBARS: 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
• GRIPS: Specialized Trail Grips
• 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

Suspension

• 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
• 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

Brakes

• FRONT BRAKE: TRP Trail EVO, 4-piston caliper, hydraulic disc, 203mm
• REAR BRAKE: TRP Trail EVO, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm

Drivetrain

• BOTTOM BRACKET: Shimano, BB-MT801, Threaded
• SHIFTERS: Shimano SLX, M7100, 12spd
• REAR DERAILLEUR: Shimano SLX, M7100, SGS, 12-speed
• CASSETTE: Shimano SLX, CS-M7100, 12-speed, 10-51t
• CHAIN: Shimano SLX, M7100, 12-speed
• CRANKSET: Shimano SLX, M7120, 32T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm

Wheels & Tires

• RIMS: Specialized, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2:27.5, S3- S6:29
• FRONT HUB: Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
• REAR HUB: Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
• SPOKES: DT Swiss Industry
• FRONT TIRE: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
• REAR TIRE: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3"
• TUBES: Standard, Presta valve

Product Details

• DYNAMO: 221397

Weight

• DYNAMO: 16.17 kg (35 lb, 10.4 oz)
• DYNAMO: S4