Shimano BR-R451 Rear Mid-Reach Road Caliper Silver CheckoutSpec= Black/Gold Super Fluid Drive shift enhancing

Super Fluid Drive shift enhancing design

5 Maximum Tire Width 81mm Axle/Hub spacing 15x110mm TA Damping Charger 3

Rider facing entry body panel is protected by 1/4″ closed cell foam designed to protect gear like a camera

41 BB/Frame Interface BB107 BB Shell Width (mm) 107 Spindle Interface Type Shimano Hollowtech II Defined Color Black

Defined Color Gray Brake Caliper Type Flat Mount Brake Lever Actuation Hydraulic Rotor Included No Pad Compound Organic

Shimano BR-R451 Rear Mid-Reach Road Caliper Silver CheckoutSpec= Black/Gold Super Fluid Drive shift enhancingShimano 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