Shimano br 6800 ultegra brake calliper
Ultegra components offer an ideal balance of light weight and stiffness making it the perfect choice for both enthusiast and competitive riders low profile aerodynamic direct mount super slr ev dual pivot design provides superior brake performance and light action must be used in conjunction with super slr levers for correct leverage ratio enhanced brake arch proportions give a quicker linear response and increased power can be used on frames and forks with direct mounts low profi