2025 Specialized Stumpjumper 15 Expert – Trail Bike
Specifications
Specification |
Details |
Model |
Stumpjumper 15 Expert |
Vehicle Category |
Trail Bike |
Application |
Trail riding, all-mountain |
Starting Price (2025) |
$4,999.99 USD (was $5,999.99) |
Color Options |
Gloss Gunmetal / White Mountains |
Sizes |
S1, S2, S3, S4, S5, S6 |
Frame & Drivetrain
Specification |
Details |
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 travel |
Fork |
FOX FLOAT 36 Performance Elite, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, 140mm (S1), 150mm (S2-S6) |
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, 210x52.5mm (S1), 210x55mm (S2-S6) |
Drivetrain Compatibility |
SRAM GX Eagle Transmission, 12-speed |
Dropouts |
15x110mm QR (F), 12x148mm (R) |
Crank |
SRAM GX Eagle Crankset, 32T ring, Integrated Guard, 55mm Chainline, 165mm (S1-S3), 170mm (S4-S6) |
Chain |
SRAM GX Eagle Transmission Flattop Chain |
Rear Derailleur |
SRAM GX Eagle Transmission Derailleur |
Shifters |
SRAM AXS POD Controller |
Cassette |
SRAM GX Eagle Transmission Cassette, 12-speed, 10-52T |
Components & Features
Specification |
Details |
Seating |
Bridge Comp, Hollow Cr-mo rails, 155mm (S1-S2), 143mm (S3-S6) |
Cargo Capacity |
SWAT 4.0 internal downtube storage |
Wheels/Tyres |
Roval Traverse, hookless alloy, 30mm inner width, Sapim Force spokes, 29x2.3" front (Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready), 27.5x2.3" (S1-S2) or 29x2.3" (S3-S6) rear (Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready), Standard Presta valve tubes |
Wheel Size |
29" front, 27.5" or 29" rear (S1-S2: 27.5/29, S3-S6: 29) |
Brakes |
SRAM Maven Bronze, 4-piston caliper, hydraulic disc, 200mm HS2 rotor (F), 180mm (S1-S2) or 200mm (S3-S6) HS2 rotor (R) |
Brake Levers |
SRAM Maven Bronze, hydraulic |
Handlebar |
Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep, 780mm width, 20mm rise (S1-S2), 800mm width, 30mm rise (S3-S4), 800mm width, 40mm rise (S5-S6) |
Stem |
Alloy Trail Stem, 35mm bar bore |
Headset |
Integrated, sealed cartridge bearing |
Saddle |
Bridge Comp, Hollow Cr-mo rails, 155mm (S1-S2), 143mm (S3-S6) |
Seatpost |
PNW Loam Dropper, tool-less travel adjust, Range lever, 34.9mm, 125mm (S1), 150mm (S2), 170mm (S3), 200mm (S4-S6) |
Seatpost Clamp |
Alloy, 38.6mm |
Grips |
Deity Lockjaw |
Front Hub |
DT Swiss 370, 15x110mm, 28h |
Rear Hub |
DT Swiss 370, 12x148mm, 28h |
Rims |
Roval Traverse, hookless alloy, 30mm inner width |
Spokes |
Sapim Force |
Exterior Features |
Trail Geometry, SWAT™ Door integration, head tube angle adjustment, internal brake and dropper cable routing, SRAM UDH compatible, GENIE Shock Tech |
Weight |
14.47 kg / 31 lb 14.4 oz (S4) |