Shimano BR-R451 Rear Mid-Reach Road Caliper - Silver, Lightweight, Adjustable Brake Power JPA/JPA2/JPA3/JPA4//JFL/JFL2/JFL3/ it features disc brake-specific design

it features disc brake-specific design with a single-position vertical rear dropout

metric combination wrench engineered for professional mechanics and cycling enthusiasts alike

- Forged alloy head with a single-bolt clamp for easy saddle setup

it combines style and functionality for riders seeking reliable performance and a modern aesthetic

Shimano BR-R451 Rear Mid-Reach Road Caliper - Silver, Lightweight, Adjustable Brake Power JPA/JPA2/JPA3/JPA4//JFL/JFL2/JFL3/ it features disc brake-specific designShimano BR R451 Road Brake Calipers Adjustable toe in brake shoes Use of these calipers with standard SLR enabled STI and brake levers results in a "mushy" brake response Compatible with STI and brake levers that are Super SLR enabled (e. g. Dura Ace Di2 7970, Dura Ace 7900, Ultegra Di2 6770, Ultegra 6700, 105 5700, Tiagra 4600) Light action and accurate brake power