A carbon fiber front fender for the BMW S1000XR is a direct bolt-on replacement for the stock plastic mudguard that cuts unsprung weight at the fork, adds a genuine 2x2 twill carbon finish, and — with the right clear coat — resists the UV yellowing that ruins most carbon bodywork. Bestem fenders are made from 100% pre-preg Toray carbon fiber, autoclave-cured in matched-metal molds, and finished with a proprietary UV-resistant coating rated to roughly 3,000 hours of sun exposure — about three