Shimano BR-R451 Front Mid-Reach Road Caliper Black Model=Push On Grips 2-piece pack is designed to

2-piece pack is designed to fit most front suspension forks

Defined Color Silver PSI 115 Weight 105 Compressed Gas Inflator No Includes Gauge No Includes Mount Bracket Yes Color Silver Valve Compatibility Presta and Schrader Length 196

Disc-brake only

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Shimano BR-R451 Front Mid-Reach Road Caliper Black Model=Push On Grips 2-piece pack is designed toShimano BR R451 Front Mid Reach Road Caliper Black. 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