The Specialized Stumpjumper 15 FOX COIL Alloy is a full-suspension trail bike, engineered for maximum traction, control, and durability. Built with a robust aluminum frame, FOX coil suspension, and premium components, this bike is designed for riders who demand supple suspension performance and aggressive handling on technical trails.
Premium Alloy Frame & Modern Geometry
The Stumpjumper 15 FOX COIL Alloy features a butted and hydroformed aluminum frame, designed for strength, agility, and precision handling. With internal cable routing, dropper post compatibility, and modern trail geometry, this bike delivers unparalleled control and efficiency on rough terrain.
FOX Coil Suspension for Unmatched Traction
Equipped with a FOX DHX Coil shock and a FOX 36 Performance Elite fork, the Stumpjumper 15 provides coil-like small bump sensitivity with progressive end-stroke support for better bottom-out resistance. This results in superior grip, confidence-inspiring stability, and enhanced ride quality.
Precision Drivetrain & Braking Power
The SRAM GX Eagle drivetrain ensures smooth, precise shifting with a wide gear range for both climbs and descents. SRAM Code Bronze 4-piston hydraulic disc brakes offer powerful and consistent stopping performance, giving riders full confidence on steep and technical trails.
Durable & High-Performance Wheelset
Rolling on Roval Traverse wheels with DT Swiss 370 hubs, the Stumpjumper 15 FOX COIL Alloy is built for rugged trails, featuring tubeless-ready technology for enhanced traction, lower rolling resistance, and improved puncture protection.
Why choose this bike?
✅ Premium aluminum frame – lightweight yet durable for aggressive riding.
✅ FOX DHX Coil shock & FOX 36 Performance Elite fork – superior traction and control.
✅ SRAM GX Eagle drivetrain – wide gear range for technical climbs and descents.
✅ SRAM Code Bronze 4-piston brakes – powerful braking for high-speed control.
✅ Tubeless-ready Roval Traverse wheels – lightweight, strong, and built for rough terrain.
Key Features
Frame: Butted & hydroformed aluminum, internal cable routing, modern trail geometry
Fork: FOX 36 Performance Elite, air spring, 160mm travel
Rear Shock: FOX DHX Coil, optimized for traction and bottom-out resistance
Drivetrain: SRAM GX Eagle 12-speed
Brakes: SRAM Code Bronze 4-piston hydraulic disc brakes
Wheels: Roval Traverse, DT Swiss 370 hubs, tubeless-ready
Who is this bike for?
The Specialized Stumpjumper 15 FOX COIL Alloy is ideal for trail riders, all-mountain adventurers, and aggressive enduro enthusiasts who demand a plush, high-traction suspension system combined with durable, high-performance components. Whether tackling rock gardens, steep descents, or technical climbs, this bike delivers unparalleled confidence and control.
Brand |
Specialized
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Accessories/Pedals |
PEDAL, TEST RIDE PEDALS PROVIDED BY SPECIALIZED
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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
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Wheels/Spokes |
Sapim Force
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Wheels/Rims |
Roval Traverse, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: 27.5
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Wheels/Rear wheel |
TRAVERSE HD ALLOY 370 MS 29 27.5 28H 32H;FS
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Wheels/Rear tire |
Eliminator, GRID GRAVITY casing, GRIPTON® T9/T7 compound, 27.5x2.3"
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Wheels/Rear hub |
DT Swiss 370, 12x148mm, 32h
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Wheels/Inner tubes |
Standard, Presta valve
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Wheels/Front wheel |
TRAVERSE HD ALLOY 370 MS 29 27.5 28H 32H;FS
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Wheels/Front tire |
Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
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Wheels/Front hub |
DT Swiss 370, 15x110mm, 28h
|
Suspension/Rear shock |
FOX DHX Factory, Ride Dynamics Trail Tune, 210x55mm
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Suspension/Fork |
FOX FLOAT 38 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, 160mm of travel
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Frameset/Seat binder |
Alloy, 38.6mm
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Drivertain/Shift levers |
Shimano SLX, M7100, 12spd
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Drivertain/Rear derailleur |
Shimano SLX M7100, SGS, 12-speed
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Drivertain/Crankset |
Shimano SLX, M7120, 32T ring, 55mm chainline, S2-S3:165mm, S4-S6: 170mm
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Drivertain/Chain |
Shimano SLX, M7100, 12-speed
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Drivertain/Cassette |
Shimano SLX, CS-M7100, 12-speed, 10-51t
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Cockpit/Stem |
Deity, 35mm clamp, 35mm length
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Cockpit/Seatpost |
PNW Loam OE Dropper, tool-less travel adjust, Range lever, 34.9, S2: 150mm, S3: 170mm, S4-S6: 200mm
|
Cockpit/Saddle |
Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm
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Cockpit/Handlebars |
Deity, Racepoint, 5-degree upsweep, 9-degree backsweep, 810 width, S2: 25mm rise; S3-S6: 38mm rise
|
Cockpit/Grips |
Deity, Knuckleduster, Black
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Brakes/Rear brake |
TRP DH-R EVO, 4-piston caliper, hydraulic disc, 203mm
|
Brakes/Front brake |
TRP DH-R EVO, 4-piston caliper, hydraulic disc, 220mm
|
Accessories/Swat |
SWAT internal downtube storage
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