Buell Carbon Fiber Rear Fender Hugger 2006 2010 XB9S XB12S XB9R XB12R XB9SX XB12SXMDI Carbon Fiber Rear Hugger for Buell XB12 XB9. All our carbon fiber Rear Hugger 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