6061 Forged Alloy Made to O.E.M. specifications Correct hardness to reduce damage to frame upon impact Includes mounting bolt Fits some BH, Bianchi, Blue, BMC, Boardman, Cinelli, Dahon, Diamondback, Felt, Fuji, Haro, Iron Horse, K2, KHS, Klein, Kona, Marin, Masi, Mongoose, Muddy Fox, Nishiki, Norco, Orbea, Pinarello, Raleigh, Rocky Mountain, Salsa, Scott, Trek Fits some BH, Bianchi, Blue, BMC, Boardman, Cinelli, Dahon, Diamondback, Felt, Fuji, Haro, Iron Horse, K2, KHS, Klein, Kona, Marin, Masi, Mongoose, Muddy Fox, Nishiki, Norco, Orbea, Pinarello, Raleigh, Rocky Mountain, Salsa, Scott, Trek For full compatibility listing please see the links tab below