Shimano BR-R451 Rear Mid-Reach Road Caliper Black

Experience superior stopping power with the Shimano BR-R451 Rear Mid-Reach Road Caliper, designed for reliable and precise braking on your road bike. Engineered to be compatible with STI and brake levers featuring Super SLR technology—including models like Dura Ace Di2 7970, Dura Ace 7900, Ultegra Di2 6770, Ultegra 6700, 105 5700, and Tiagra 4600—this caliper ensures seamless integration and consistent performance.

• Enjoy smooth, light-action braking combined with accurate power control for enhanced safety and confidence on every ride.
• Adjustable toe-in brake shoes allow you to customize brake pad alignment, reducing noise and improving overall braking efficiency.
• Note that pairing these calipers with standard SLR-enabled STI and brake levers may result in a softer brake feel, so matching components is key for optimal responsiveness.