S-Works Stumpjumper Frameset Size:S4 An all-new SID SL BRAIN

An all-new SID SL BRAIN fork provides 110mm of bump-muting performance while discerning inputs from the ground or rider to provide ultimate efficiency

we also made the rim tubeless-ready

Add it all up and you have a bike that laughs in the face of the steepest

Each highly-manipulated frame tube features continuously-varied wall thicknesses and shaping that deliver stiffness where you need it - for efficiency - and ride-smoothing compliance where you want it - for comfort and optimal control

geometry that improves everyone’s riding

S-Works Stumpjumper Frameset Size:S4 An all-new SID SL BRAINWhen we say "The Ultimate Trail Bike;" we mean itthe all new Stumpjumper is everything you could ever ask for in a trail ripping steed. Want a bike that climbs with ease? The Stumpjumper delivers, thanks to a ground up suspension redesign and lightest in class frame weight. How about something that's ready to shred when the trail turns downhill? That suspension re design paired with new Trail Geometry and the Rider First Engineered frames perfect