Shimano road ptfe gear cable setcomplete top of the range gear cable set designed to suit dura ace 7900 and ultegra 6700 gears fitting new gears or completely overhauling your gear cabling couldnt be easier everything you need in one pack features includes 12mm inner wires 2 x 2000mm and black 4mm outer casing for a complete bike 2 x 600mm and 1 x 320mm and all end caps die extruded ptfe coated inner wire leaves a smooth surface for low friction in use and stainless steel provides s