Shimano BR-R451 Rear Mid-Reach Road Caliper Black Brand_CushCore Even on extremely steep technically

Even on extremely steep technically challenging ascents the Fat Albert Rear Tire was designed for maximum propulsion

Stiff yet responsive fiber-infused Fusion Form base optimizes power transfer under hard efforts while also absorbing vibrations transferred through the bike

0mm 282mm J-bend Black Box of 100

A mix of materials provides uncompromised durability and support

If the bearing you are replacing is not marked with a manufacturer number measure it and compare to specifications listed

Shimano BR-R451 Rear Mid-Reach Road Caliper Black Brand_CushCore Even on extremely steep technicallyShimano BR R451 Rear 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