Shimano BR-R451 Rear Mid-Reach Road Caliper Silver MFPN=Y1XK98010 }Promax Impact Mini BMX Stem

}Promax Impact Mini BMX Stem - 1" 40mm Top Load Black

Cleat Interface HT Color Black Defined Color Black Pedal Body Material Aluminum Pedal Spindle 9/16" Pedal Type Dual Sided Clipless Spindle Material Chromoly Steel Weight 305

Color Black Chainring BCD 110

The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager

Shimano BR-R451 Rear Mid-Reach Road Caliper Silver MFPN=Y1XK98010 }Promax Impact Mini BMX StemShimano BR R451 Rear 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