Sharp braking is key in tackling sharp corners and fast descents with confidence and the quality of your brake cables can have almost as much of an influence as your choice of brakes and levers keep your brakes sharp with these super slick brake cables key features complete top of the range brake cable set designed to suit dura ace 9000 brakes fitting new brakes or completely overhauling your brake cabling couldnt be easier everything you need in one pack includes 16 mm polymer