Shimano BR-R451 Rear Mid-Reach Road Caliper Black MFPN=925509155 5 Color Black/White Primary Color

5 Color Black/White Primary Color Black Wheel Diameter 26 Color Black/White

Misc Bearing Eyelet 57

3-layer membrane with good breathability that protects your hands from cold and ventilates body heat for the best comfort

Integrated automatic keyhole cover

5 Defined Color Gray Drivetrain Speeds 12 Pedal Spindle 9/16" Rings 43/30 Spindle Interface Type SRAM DUB

Shimano BR-R451 Rear Mid-Reach Road Caliper Black MFPN=925509155 5 Color Black/White Primary ColorShimano 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 Brake Lever Actuation Short Pull Super SLR Pad Type Cartridge Brake Position Rear Brake