Shimano ultegra r8010 caliperthis shimano ultegra r8010 caliper comes with a new slender design and has wider clearance than the earlier 6800 series to make it compatible with larger tyres such as 28c the ultegra r8010 caliper connects directly to the frame which reduces weights by stripping the number of parts and boosts overall braking performance featuresbrake tyre direct mountmounts directly to the frame to reduce redundant partsincreases overall braking performancenarrower gap between