Shindy 17-656B Black/Black Radial Master Cylinder Brake Kit for Daytona Nissin with 19mm Piston The vertically angled body lets the lever flow fluid directly through the master cylinder giving it a sharp response 19mm piston will fit the ordinary 5/8 inch diameter, and 17mm piston will fit the ordinary 14mm diameter Lever is adjustable to six different positions For 7/8 inch diameter handlebars Use with M10 x P1.25 banjo bolt