Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame MFPN=DROPOUT-580 Infinite torque-limiting clutch design eliminates

Infinite torque-limiting clutch design eliminates over-torquing

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5" Frame Material Steel Platform Bridge Club Frame Type Rigid Color Black Front Axle QR x 100mm Brake Type Disc TT (Effective) 595 Fork Material Steel Fork Type Rigid

Features a forged aluminum body and (4) phenolic pistons that have excellent insulator properties

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Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame MFPN=DROPOUT-580 Infinite torque-limiting clutch design eliminatesShimano R203S P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame. Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork. TECH SPECS Brake Caliper Type I. S. Mount Rotor Size 180 Post 203 Rotor