Shimano dura ace stainless steel gear cable setcomplete 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 packfeaturesincludes 12mm inner wires 2 x 2100mm and black 4mm outer casing for a complete bike 1 x 1700mm and all end caps stainless steel inner wires provide smooth shifting and higher corrosion resistance outer casing is lubricated i