Hayes Post Disc Brake Adaptor for IS Mount Rear 160mm Rotor Diameter MPFN-RDRR41RPN32S011377 All calipers have 74mm mounting

All calipers have 74mm mounting bolt spacing

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FSA (Full Speed Ahead) 386 EVO Bottom Bracket AdaptorsThis is a pair of spacers that adapts a 386 EVO crankset to a 68mm BB30 or PF30 frame

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Hayes Post Disc Brake Adaptor for IS Mount Rear 160mm Rotor Diameter MPFN-RDRR41RPN32S011377 All calipers have 74mm mountingHayes Post Disc Brake Adaptor for IS Mount Rear 160mm Rotor Diameter. Disc brake adaptors to fit standard post mount brakes to a variety of fork and frame mounts. Includes mounting bolts TECH SPECS Brake Caliper Type Post Mount Mount Rotor Size Front IS 180 Rotor Mount Rotor Size Rear IS 160 Rotor Weight 24