Ducati Carbon Fiber Monster Rear Fender Mudguard Hugger S2R-S2R S2R1000 S2R800 S4R-S4RMDI Carbon Fiber Rear Fender for Ducati Monster. All our carbon fiber Rear Fender are made with an Autoclave process, which uses the highest quality TORAYCA PREPREG carbon fiber fabric from Japan. More information on the manufacturers specifications: Finishes and Materials! Cures at 400 degrees and a pressure of 5Kg cm. One of the most advanced techniques for making composite components is by using PrePreg carbon fiber reinforcement, cured under heat