Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame Bike Accessories_Crankset Featherweight carbon sole elevates stiffness

Featherweight carbon sole elevates stiffness to 10 out of 12

the Hydroblade provides hands-free drinking for riders in an aerodynamic position

Resistance Unit: Fast-response electromagnetic

it's an excellent choice for riders seeking adventure and excitement on the trails

Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame Bike Accessories_Crankset Featherweight carbon sole elevates stiffnessShimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork. For 74mm caliper on 51mm frame, using 203mm rotor Includes mounting hardware Brake Caliper Type: Post Mount Mount Rotor Size: Rear IS 203 Rotor Weight: 21 grams