Specialized Stumpjumper 15 Comp Alloy Bike 2025 Smoke/Cool Grey
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The Specialized Stumpjumper 15 Comp Alloy delivers a balance of trail capability, efficiency, and customization with its M5 alloy frame and six-way adjustable geometry. Featuring the patent-pending GENIE air spring technology, the FOX FLOAT Performance rear shock provides coil-like traction, superior bottom-out resistance, and tunable mid-stroke and end-stroke support. A FOX FLOAT 36 Rhythm fork, Shimano SLX drivetrain, TRP Trail EVO brakes, and SWAT downtube storage ensure reliability and control across varied terrain.
| 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 |
| 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 |
| 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 |
| 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 |
| Shift Levers | 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 |
| Bottom Bracket | Shimano, BB-MT801, Threaded |
| 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" |
| Inner Tubes | Standard, Presta valve |
| 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 |
Information provided by manufacturer
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