Complete mtb gear cable set with all you need in one handy pack fitting new gears or completely overhauling your gear cabling couldnt be easier everything you need is here includes 12mm 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