Fast mount seatpost mud guard The Grunge Rear seatpost mounted fender is designed with an 85mm wide profile to shield your rear end from spray, mud and crud no matter what wheel size you ride. It'll keep you clean on your commute or when ripping around on single track. - Durable all-weather polypropylene blade - Quick-release seatpost mount attaches and removes in a snap - Features fender angle adjustability to fit most bikes and dial in spray protection - Eyelets Required?: No - Wheel size: 24", 26", 650b, 29" and 700c - Fender width: 85mm wide x 460mm long - Max tire width: 2.25" - Weight: 174 grams