Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame Bike Accessories_Crankset while the geometry strikes the

while the geometry strikes the perfect balance between aggressive positioning and rider comfort

compact and lightweight

Featherweight carbon sole elevates stiffness to 10 out of 12

Resistance Unit: Fast-response electromagnetic

Our Altra EGO™ Max midsole foam gives you all the light and luxurious performance with a little extra bounce and added durability

Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm Frame Bike Accessories_Crankset while the geometry strikes theShimano 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