S-Works Stumpjumper 15 - SRAM XX AXS, FOX FactoryS Works Stumpjumper 15 is the no compromise flagship trail bike from Specialized the all new 15 platform geometry, FACT 11m carbon, FOX FLOAT 38 Factory + GENIE Shock Tech rear shock, and SRAM XX SL Eagle AXS Transmission. Built for riders who want the most capable Stumpjumper Specialized has ever made, with the lightest spec. Key Features All new Stumpjumper 15 FACT 11m carbon frame with adjustable geometry + SWAT internal storage FOX FLOAT 38