Complete top of the range gear cable set designed to suit dura ace 9000 gears fitting new gears or completely overhauling your gear cabling couldn39t be easier everything you need in one pack includes 12 mm polymer coated inner wires 1 x 2100 mm 1 x 1800 mm and sp41 outer casing for a complete bike 1 x 1700 mm and all end caps polymer coated stainless steel inner wire leaves a smooth surface for low friction and reduced sliding resistance providing a lighter quicker shifting operati