Shimano ultegra br 6810 r55c4 brake blockssuitable for shimano direct mount road caliper brakes and for use with aluminium rims the r55c4 compound of the brake pads ensures great braking performance in both dry and wet conditions it offers excellent wear resistance featurescompatible with the following shimano modelsbr 6810br 5810br 5710a 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products buyshimano componentsfrom chain