The shimano dura ace 9000 road grease filled silicone gear cable set is a complete top of the range gear cable set designed to suit dura ace 9000 gears which consists of two 12 mm polymer coated inner wires 1 x 2100 mm 1 x 1800 mm sp41 outer casing for a complete bike 1 x 1700 mm and all end caps with this set fitting new gears or completely overhauling your gear cabling couldnt be easier everything you need is in one pack the polymer coated stainless steel inner wire leaves a smooth