Fitting new gears or giving your cabling a complete overhaul has never been easier than with the Shimano Road Gear Cable set. Coming complete with everything you'll need in one pack, including 1.2 mm OPTISLICK inner wires (2 x 2100 mm), and SP41 outer casing for a complete bike (1 x 1700 mm), and all end caps. With a super smooth die-extruded inner wire for smoother, low friction shifting coupled with stainless steel providing higher corrosion resistance, you'll be shifting quicker and crisper for longer. The outer casing is lubricated internally along its length with low-friction silicone grease to reduce cable friction, plus the special construction process makes for an axially stiff outer casing that transmits shifting movements accurately and quickly.