Complete MTB gear cable set with all you need in one handy pack. Fitting new gears or completely overhauling your gear cabling couldn\\\'t be easier - everything you need is here. Includes 1.2mm inner wires (1 x 2100mm, 1 x 1800mm),and black 4mm SP41 outer casing for a complete bike (1 x 3000 mm), and sealed outer caps one with added tongue for rubber shield plus inner end caps. Stainless steel precision ground round inner wire leaves a smooth surface for low friction while providing high corrosion resistance. Outer casing is lubricated internally along its length with silicone grease to reduce cable friction. Special construction process makes for an axially stiff outer casing that transmits shifting movements accurately and quickly. Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire.