Shimano Road gear cable set stainless steel inner wire blackComplete 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 packIncludes 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 capsStainless steel inner wires provide smooth shifting and higher corrosion resistanceOuter casing is lubricated internally along its length with low-friction silicone grease to reduce cable frictionSpecial construction process makes for an axially stiff outer casing that transmits shifting movements accurately and quicklyOuter casing is lined with a polymer sheath to assist with the smooth operation of the inner wire