Complete gear cable set designed to suit the top of the range xtr gears fitting new gears or completely overhauling your gear cabling couldnt be easier everything you need in one pack includes 12 mm inner wires 2 x 2100mm and grey 4 mm outer casing for a complete bike 2 x 600 mm 2 x 300 mm and 1 x 340 mm and all end caps die extruded manufacturing process for inner wire leaves a smooth surface for less friction in use and stainless steel provides smooth shifting and higher corrosion