NEW Shimano Ultegra BR-6810-R Direct-Mount Rear Brake Caliper Type_Pumps rider-to-rider messaging and built-in Incident

rider-to-rider messaging and built-in Incident Detection

Perforated plates for reduced weight

ATAC cleats have a 13/17degree release angle

Works with caliper or cantilever brakes

all-mountain

NEW Shimano Ultegra BR-6810-R Direct-Mount Rear Brake Caliper Type_Pumps rider-to-rider messaging and built-in IncidentShimano Ultegra BR 6800 6810 Road Brake Calipers Compatible with STI and brake levers that are SLR EVO or Super SLR enabled (e. g. Dura Ace 9000, 7900, Ultegra 6800, 6700, 105 5700, Tiagra 4600) Enhanced brake arch proportion for quick & predictable linear response Spring tension adjustment for custom brake feel Adjustable toe in shoes with R55C4 pads SLR EVO dual symmetric pivot brake caliper Short arms and dual bearings reduce friction at the pivot