Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame S50 Chainline is 45mm on standard

Chainline is 45mm on standard spindle cranks and 47

One upward pull on the Hypalon tab or shock cord opens or closes the bag respectively while the internal stiffener aids easy access and helps the durable and waterproof VX21 outer hold its shape

Moderately low 17mm profile height and wide width

41-step thermal-processed 4130 chromoly construction

Color Carbon Grey Primary Color Grey Size M Size Category Adult

Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame S50 Chainline is 45mm on standardShimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork. Brake Caliper Type IS Mount Rotor Size 180 Post 203 Rotor