Specialized Stumpjumper 15 Expert 2025 Gloss Gunmetal/White Mountains
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The Stumpjumper 15 is designed to dominate the trail with GENIE Shock Technology, delivering a responsive ride with exceptional bottom-out resistance and tunability. Offering superior traction, this bike enhances control and stability, outpacing the award-winning Stumpjumper EVO. Six-way geometry adjustment, mixed wheel compatibility, and robust components like the FOX FLOAT Performance Elite fork and SRAM GX Eagle drivetrain make it the most personalizable and high-performance trail bike available.
Bike Specs
| 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 |
| SWAT | SWAT 4.0 internal downtube storage |
| Seat Binder | Alloy, 38.6mm |
| Rear Shock | FOX FLOAT Performance Elite with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/3 setting Open mode tuning range, LSR adjustment, S1:210x52.5mm, S2-S6:210x55mm |
| Fork | FOX FLOAT 36 Performance Elite, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel |
| SeatPost | PNW Loam Dropper, tool-less travel adjust, Range lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm |
| Stem | Alloy Trail Stem, 35mm bar bore |
| Saddle | Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm |
| 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 | Deity Lockjaw |
| Front Brake | SRAM Maven Bronze, 4-piston caliper, hydraulic disc, 200mm HS2 Rotor |
| Rear Brake | SRAM Maven Bronze, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 200mm HS2 Rotor |
| Shift Levers | SRAM AXS POD Controller |
| Rear Derailleur | SRAM GX Eagle Transmission Derailleur |
| Cassette | SRAM GX Eagle Transmission Cassette, 12spd, 10-52t |
| Chain | SRAM GX Eagle Transmission Flattop Chain |
| Crankset | SRAM GX Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm |
| Bottom Bracket | SRAM DUB, BSA 73mm Wide, Threaded |
| Rims | Roval Traverse, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29 |
| Front Hub | DT Swiss 370, 15x110mm, 28h |
| Rear Hub | DT Swiss 370, 12x148mm, 28h |
| Spokes | Sapim Force |
| 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" |
| Inner Tubes | Standard, Presta valve |
| Weight | 14.47kg (31 lb, 14.4 oz) |
| Weight Size | S4 |
Information provided by manufacturer
