The all-new Stumpjumper 15 EVO obliterates every trade-off in the trail game. It's the 'Bike of the Year' winning Stumpy 15 you know, turned up to 11--with a longer-travel 160mm FOX fork, external reservoir FOX FLOAT X shock, and a slacker headtube for next-level capability. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. A heaping helping of personalization to make it perfect for the only rider who matters--you? Check, check, check. Wheel size: Sizes S1 - S2: 29-inch front / 27-inch rear Sizes S3 - S6: 29-inch