Complete road gear cable set designed using stainless steel inner wires for increased service life fitting new gears or completely overhauling your gear cabling couldnt be easier everything you need in one pack includes 1 2 mm inner wires 2 x 2000 mm and black 4 mm outer casing for a complete bike 2 x 600 mm and 1 x 320 mm and all end caps outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire stainless steel inner wires provide smooth shift