Shimano BR-R451 Front Mid-Reach Road Caliper Silver with adapters for BB 30 Semi integrated Cable Routing (SCR)

Semi integrated Cable Routing (SCR) hole

5" valve Schrader length n/a

Wide Trail casing optimized for 30 - 35mm rims

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Color Black TPI 120 Defined Color Black ISO Width (mm) 45 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 45 Tire Type Tubeless Ready Clincher

Shimano BR-R451 Front Mid-Reach Road Caliper Silver with adapters for BB 30 Semi integrated Cable Routing (SCR)Shimano BR R451 Front Mid Reach Road Caliper Silver. Shimano BR R451 Road Brake CalipersCompatible 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 Adjustable toe in brake shoes Use of these calipers with standard SLR enabled STI and brake levers results in a "mushy" brake response TECH SPECS Brake Lever Actuation Short