The Very Best Rear Master cylinder on the Market! Gives the Most Pressure to the Rear Caliper So your Rear brake can be as good as your Fronts! Has a built in reservoir for the smallest Package possible. 13mm Piston, 40mm Center to Center mounting.
This is the best looking, highest performing, WSBK grade, Billet Rear Brake Caliper on the market, especially when you customized it further (Check the attached Picture) :)