The 2025 Specialized Stumpjumper 15 Comp Full Suspension Mountain Bike is the latest generation of Specialized’s flagship mountain bike. It devours bumps like a big bike but has the control, playfulness and efficiency of a short travel bike.
The biggest innovation on the Stumpjumper 15 is GENIE. This patent-pending air spring technology, invented by Specialized, grants every trail rider’s three wishes: the feel and control of a coil spring, better bottom-out prevention than a standard air spring, and a tuneable “platform” for a playful feel. Extensive field testing proves that Stumpjumper 15 with GENIE delivers 57% better traction than a standard air-sprung shock because GENIE technology gives you supple, coil-like performance, which keeps the wheel in contact with the ground a greater percent of the time than a typical air spring would.
The Stumpjumper 15 Comp comes with custom tuned Fox FLOAT rear shock and Fox FLOAT 36 forks. The bike comes with a SRAM Eagle T-Type AXS wireless electronic drivetrain, SRAM Maven Bronze 4-piston brakes and an X-Fusion Manic dropper post.
This bike is perfect for
Mountain bikers who want the latest tech on a bike with some serious heritage. The Stumpjumper 15 has tuneable geometry, custom shocks and the latest electronic gearing.
Key Features
Lightweight FACT 11m carbon chassis and rear-end
Robust Specialized alloy wheels with sealed cartridge bearings
Ride Dynamics tuned FOX FLOAT Performance with Specialized GENIE Shock
FOX FLOAT 36 Rhythm fork with GRIP damper
SRAM Eagle T-Type AXS drivetrain and SRAM Maven Bronze 4-piston brakes
Lifetime replacement of suspension pivot bearings to the original owner
Compatible with electronic drivetrains only
S2 size comes as a Mullet (27.5/29 wheels) other size are 29/29
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