Topeak DeFender XC11 Rear Fender for 29er TC9628The Topeak DeFender XC11 Rear Fender for 29er uses two tone injected high impact resistant plastic with a flexible trailing edge for extra durability. The underside is highly polished to resist dirt built up. There are many angles available to get the best coverage. The QR slip joint clamp fits 25.4-34.9mm seatposts. This design is made for 29er Mountain Bikes.883466006065