RCS Brake Master Cylinder: The 19mm bore brake unit will power any twin disc system and allows you to switch between an 18 and 20 piston ratio, enabling you to change the 'feel' of your lever from a progressive to more aggressive option, allowing greater control. Perfect for changeable weather and track conditions. (Also fitted with brake light switch)

For a Limited time only, we are offering the RCS19 with a reservoir kit include making a saving of over £20 if bought separately.