Roll of 50 metres of 4 mm diameter SIS SP41 black outer cable casingLubricated internally along its length with low-friction silicone grease to reduce cable frictionSpecial construction process makes for an axially stiff casing that transmits shifting movements accurately and quicklyLined with a polymer sheath to assist with the smooth operation of the inner wireFor use with 1.2 mm diameter inner wires SRP:£3.99 per metre
