Accossato Radial Brake Master Cylinder is made in aluminium and natural anodyzing. The Piston diameter is 17mm: suggester for motorcycles with calipers with a distance of 32mm or less. The distance is 19 mm: Mixed track - street use. The Lever is available in black colour, short or long, with lightening eyelet (RST) or without (NRST). The radial brake master cylinder is fully Made in Italy; the screws are made in stainless steel, The bleeding valve is in zinced steel and the seals are made with Formula 1 compound. There's an off-set riser, in order to reduce the bending of the master cylinder while braking. Every component is designed to guarantee the shortest passive stroke: pulling the Lever, the space between the activation of the Lever and the actual braking is reduced by over 50%, compared to any other radial master cylinder. Screw pitch for fitting the hoses is M10x1. The stop light switch is not included - you can purchase it separately using code ID001 or ID002. The fluid reservoir is not Provided with the master cylinder, you can purchase it separately choosing between several models.