Simply the best last-minute rear fender to keep the rear clear The RearGuard - OFF ROAD is designed for off-road use, whether on a mountain bike or CX bike, is a quick-fit fender for those last-minute decisions.It is fixed under the saddle with 1 velcro strap and takes less than 20 seconds to adjust.It will never come off during the trip and offers great protection for the BACK and back.The 3 new folds add stability and strength and ?? the extra length adds protection on rugged terrain Weight:41g