For 29 inches Wheel. The XC1 is a lightweight, two-piece, moto inspired front fender that attaches to the suspension fork lowers for a closer fit to the tire and excellent mud/spray protection. A precision clamp assembly secures the fender to the fork's lower legs and a special safety feature allows it to disengage if a large obstruction enters the wheel.The XC11 is a lightweight removable rear fender designed for exceptional mud/spray protection and built specifically for 29er mountain bikes. Multiple pivots allow for easy fender angle adjustment while the quick release clamp adjusts to fit 25.4, 34.9 mm seatposts. Advanced high impact plastic is co-molded to a flexible trailing edge for resistance to impacts while the highly polished underside of the fenders prevents dirt buildup in extreme muddy conditions. Fits MTB 29 inches tires up to 29 inches x 2.5 inches.