Dura-Ace moves to the next generation. Tested in competition & taken to victory by pro riders in all conditions including the 2012 Tour de France Team Sky. Cutting edge technology for the ultimate in control & confidence. Long fast descents demand confidence
- Dura-Ace brakes deliver. Keep your brakes sharp with these replacement brake block inserts. Key
Features: R554C4 compound offers excellent performance in wet & dry. Designed to work with Carbon Rims. Official Shimano replacement brake blocks. Fit Dura-Ace R55C4 brake cartridges for BR-9000 & BR-9010 brakes. Supplied as a pair (to fit one brake).