$4,000.00
2025 Stumpjumper 15 Alloy
Stumpjumper 15 Alloy is here to obliterate every trade-off in the trail game. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. How about a heaping helping of personalisation to make it perfect for the only rider who really matters—you? Check, check, check.
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$4,000.00
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Product Details
Specifications
2025 Stumpjumper 15 Alloy
KINEMATICS PERFECTED: As the quintessential trail bike, Stumpjumper 15 Alloy balances efficiency and optimal bump force management. For the anti-squat on Stumpjumper 15 Alloy, Specialized struck a balance between the previous Stumpjumper and Stumpjumper EVO, as both had excellent pedaling characteristics.
HONED GEOMETRY: This bike’s geometry delivers big bike capability when you need it, a nimble feel in tight sections, and lively, efficient climbing manners. The generous cockpit centers you on the bike, optimising traction and corner control. The low bottom bracket, slack head tube angle, and optimised fork offset keep things stable in the rough.
RIDE YOUR WAY: The Stumpjumper 15 Alloy seamlessly integrates benchmark geo adjustability, making it the most personalisable trail bike ever. Six distinct geometry settings allow you to hone performance for any style and any terrain. The head angle and bottom bracket can be fine-tuned for stability or clearance.
FORM FOLLOWS FUN: Specialilzed can make a frame as stiff as they want, but there’s such a thing as too stiff. To be one with the bike requires engineered compliance in the frame. Specialized engineered the M5 Alloy chassis—front end, rear end, and the link between them—as a single unit that hits the stiffness target they established for trail riding.
WHEEL SIZE: All coil-sprung models come with mixed wheels.
WHEEL CHOICE: With Specialized’s aftermarket link shock links, you can choose between big wheels front and rear or mix things up with a 27.5” rear for a more responsive and playful ride. No matter what you choose, geometry is unaffected.
CARRY IT ALL: SWAT on Stumpjumper 15 elevates downtube storage, an innovation Specialized pioneered.
MORE RELENTLESS THAN YOU: Specialized’s full-suspension bikes are built to be relentless, designed to endure years of hard riding, and backed by the best support and programs to keep you on the trail. Their unbeatable lifetime, no-questions-asked replacement suspension pivot bearings to the original owner is just one way they’ve got you covered.
- All-new M5 alloy frame with SWAT door integration
- Ride Dynamics tuned X-Fusion 02 Pro RL shock with adjustable rebound and lockout
- RockShox Psylo Silver fork with Motion Control Damper
- Reliable Shimano MT-420 4-piston brakes
- 12-speed Shimano Deore drivetrain
- Lifetime replacement of suspension pivot bearings to the original owner
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
Suspension
Rear Shock
X-Fusion 02 Pro RL, Ride Dynamics Trail Tune, rebound adjust, lockout S1:210×52.5mm, S2-S6:210x55mm
Fork
RockShox, Psylo Silver, Motion Control Damper, 15×110 axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel
Brakes
Front Brake
Shimano, BR-MT420, 4-piston caliper, hydraulic disc, 203mm
Rear Brake
Shimano, BR-MT420, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm
Drivetrain
Shift Levers
Shimano Deore, M6100, 12spd
Rear Derailleur
Shimano Deore, M6100, 12pd, Shadow Plus
Cassette
Shimano Deore, M6100, 12spd w/Hyperglide+, 10-51t
Chain
Shimano Deore, M6100, 12-speed
Crankset
Shimano Deore, M6120, 30T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm
Wheels & Tyres
Rims
Specialized Alloy, Tubeless Ready, 29mm internal width, 28h, 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
Stainless, 14g
Front Tyre
Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29×2.3″
Rear Tyre
Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5×2.3, S3- S6: 29×2.3″
Inner Tubes
Standard, Presta valve
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, Steel rails, S1-S2: 155mm, S3-S6: 143mm
SeatPost
TranzX Dropper, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm
Product Details
Product ID
276239
Weight
Weight
16.57 kg (36 lb, 8.5 oz)
Weight Size
S4
* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.
