Shimano BR-R451 Rear Mid-Reach Road Caliper Black MFPN=442-66010 The new design features six

The new design features six slots that are machined into the base of the valve stem allows tubeless sealant fluid and air to flow freely even when running tubeless tire inserts

Designed in the UK

Tools are packaged in a custom Park Tool toolbox with extra room for spare parts and more tools

}ProTaper JUNIT 22mm Grips - Black

receive navigation guidance and alerts based on your bikes battery status

Shimano BR-R451 Rear Mid-Reach Road Caliper Black MFPN=442-66010 The new design features sixShimano 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