Complete road gear cable set designed using stainless steel inner wires for increased service lifeFitting new gears or completely overhauling your gear cabling couldn't 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,Stainless steel inner wires provide smooth shifting and higher corrosion resistance,Outer casing is lubricated internally along its length with low-friction silicone grease to reduce cable friction,Special construction process makes for an axially stiff outer casing that transmits shifting movements accurately and quickly,Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire.