For 29" Wheel The XC11-29er 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 ø25.4 - ø34.9 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” tires up to 29” x 2.5”.