Specialized Stumpjumper 15 Comp Bike 2026 Gloss Shadow Silver/Majesty Blue Metallic
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M5 alloy construction pairs with a 145mm rear travel chassis and FOX suspension to deliver controlled support across variable terrain. GENIE Shock Technology blends a linear, coil-like spring rate through small bumps with progressive end-stroke resistance, improving traction and reducing harsh bottom-outs while maintaining efficiency under load.
The Specialized Stumpjumper 15 Comp Bike balances adaptability and durability with six-way geometry adjustment, mixed wheel compatibility, and integrated SWAT storage. From the FOX FLOAT 36 Rhythm fork to SRAM Eagle 70 drivetrain and DB8 brakes, the Specialized Stumpjumper 15 Comp Bike is tuned for confident handling and long-term reliability.
Key Features
- M5 Alloy Frame: M5 alloy chassis with 145mm rear travel, sealed cartridge bearing pivots, threaded BB, SRAM UDH compatibility, and integrated SWAT downtube storage.
- GENIE Shock Technology: FOX FLOAT X Performance rear shock with Specialized GENIE air spring, delivering 16.3% better bump force management and 39% fewer bottom-outs than a standard air spring.
- Rear Shock Adjustability: FOX FLOAT X Performance with 2-position lever, LSR adjustment, and 210x55mm sizing for independent mid-stroke and end-stroke tuning.
- Front Suspension Control: FOX FLOAT 36 Rhythm fork with GRIP damper, 15x110mm axle, and 150mm travel on S1 or 160mm travel on S2–S6.
- Geometry Personalization: Six distinct geometry settings with adjustable head tube angle and bottom bracket height for terrain-specific handling.
- Wheel and Tire System: Specialized hookless alloy rims with 30mm inner width, paired with Butcher 29x2.4 front tire and Eliminator rear tire in 27.5x2.4 or 29x2.4 depending on size.
- Drivetrain Performance: SRAM Eagle 70 Transmission with 12-speed 10-52t cassette and DUB threaded wide bottom bracket.
- Braking Power: SRAM DB8 Stealth 4-piston hydraulic disc brakes for consistent stopping under load.
| Seat Binder | Alloy, 38.6mm |
| 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 S1:150mm of travel, S2-S6:160mm of travel |
| Rear Shock | FOX FLOAT X Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever, LSR adjustment, 210x55mm |
| Front Brake | SRAM DB8 Stealth |
| Rear Brake | SRAM DB8 Stealth |
| Cassette | SRAM XG-1270 Transmission Cassette, 12-speed,10-52t |
| Chain | SRAM 70 Transmission Chain |
| Bottom Bracket | SRAM DUB Threaded Wide |
| Shift Levers | SRAM EAGLE 70 |
| Rear Derailleur | SRAM Eagle 70 Transmission, 12-speed |
| Crankset | SRAM Eagle 70, 55mm chainline, 32T |
| Front Tire | Butcher, GRID TRAIL casing, Gripton T9 compound, 29X2.4 |
| Spokes | DT Swiss Elemental |
| Rear Tire | Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, TLR, S1-S2: 27.5x2.4, S3- S6: 29x2.4" |
| Front Hub | Specialized alloy front hub disc, sealed cartridge bearings, 6-bolt, 15x110mm thru-axle, 28h |
| Rear Hub | Specialized alloy rear hub disc, sealed cartridge bearings, 6-Bolt, 12X148mm thru-axle, 28h, HG Steel Fhb |
| Rims | Specialized, hookless alloy, 30mm inner width, tubeless ready |
| Inner Tubes | Standard, Presta Valve |
| Stem | Alloy Trail Stem, 35mm bar bore |
| Saddle | Bridge Comp, Hollow Cr-mo rails S1-S2: 155mm, S3-S6:143mm |
| Grips | Specialized Trail Grips |
| Handlebars | Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S6: 800 width, 50mm rise |
| 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 |
| SWAT | Internal SWAT Downtube Storage |
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