Complete top-of-the-range gear cable set designed to suit Dura-Ace 7900 and Ultegra 6700 gearsFitting 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 capsDie-extruded PTFE coated inner wire leaves a smooth surface for low friction in use, and stainless steel provides 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