Product Info
Details + Specs
S-Works Stumpjumper 15 - SRAM XX AXS, FOX Factory
One trail bike, fewer compromises
Stumpjumper 15 is here to obliterate every trade-off in the trail game. It devours bumps like a big bike, delivers short-travel control, playfulness, and efficiency, and offers a heaping helping of personalisation to make it perfect for the only rider who really matters — you.
Best for: Trail and all-mountain riding across technical climbs and descents.
At a glance
Frame
FACT 11m Carbon chassis, rear-end and link, 145mm travel, GENIE Shock…
Fork
FOX FLOAT 36 Factory, GRIP X2 damper, 150mm travel (size-specific), 44mm…
Shock
FOX FLOAT Factory with Specialized GENIE Shock Tech, 2-position…
Drivetrain
SRAM XX Eagle T-Type Transmission, 12-speed AXS
Rear Shock
FOX FLOAT Factory with Specialized GENIE Shock Tech, 2-position…
Brakes
SRAM Maven Ultimate, 4-piston hydraulic disc, 200mm rotors (front and…
Key highlights
patent-pending air spring tech delivers the control of a coil spring with the bottom-out resistance of an air spring — 16.
a lightweight rear-end and link with 145mm of travel and six-way geometry adjustment for a bike you can tune to your terrain.
wireless 12-speed shifting with a 10-52t cassette and 55mm chainline for precise, reliable gear changes.
4-piston hydraulic stoppers with 200mm rotors deliver serious, trail-ready stopping power.
Complete specification
Full build details
Components are grouped by bike system so the complete build is easy to scan.
Frameset
Frame
FACT 11m Carbon chassis, rear-end and link, 145mm travel, GENIE Shock Technology, six-way geometry adjustment, SWAT 4.0 downtube storage
Suspension
Fork
FOX FLOAT 36 Factory, GRIP X2 damper, 150mm travel (size-specific), 44mm offset
Rear Shock
FOX FLOAT Factory with Specialized GENIE Shock Tech, 2-position open/firm lever, 3-position open-mode compression adjuster
Brakes
Brakes
SRAM Maven Ultimate, 4-piston hydraulic disc, 200mm rotors (front and rear, size-specific)
Drivetrain
Rear Derailleur
SRAM XX Eagle T-Type Transmission, 12-speed AXS
Cassette
SRAM XX Eagle SL Transmission, 12-speed, 10-52t
Chain
SRAM XX Eagle SL Transmission Flattop
Crankset
SRAM XX Eagle, 32t chainring, 55mm chainline
Wheels and tyres
Wheels
Roval Traverse SL II Carbon; DT Swiss 240 hubs, DT Swiss Aerolite spokes
Tyres
Specialized Butcher (front) / Eliminator (rear), 29x2.3"
Cockpit and contact points
Handlebars
Roval Traverse SL Carbon riser, 30mm rise
Stem
Deity, 35mm clamp
Seatpost
RockShox Reverb AXS dropper
Saddle
Body Geometry Power Pro with Mirror, hollow titanium rails
Other build details
Controller
SRAM AXS POD Ultimate
Component specifications are subject to change without notice.