Black master cylinder / Gold lever; adjusting knob and reservoir cover. Folding lever without RST (Racing Short); so without eyelet for weight reduction. Designed for the shortest passive stroke; in other words; The ''free-space'' between pulling the brake lever and actual braking is reduced by over 50%; when compared to other radial brake master cylinders; making this master cylinder the most "Ready to Brake" handlebar master cylinder ever. 19mm distance for mixed track/street use. Designed for reduced weight but still remain excellent rigidity; strength and brake control. The bracket is slightly offset to further enhance rigidity while braking. Made of forged CNC aluminum for precision with an aesthetic and durable black anodized finish; sure to enhance the bike''s overall appearance. The master cylinder is always black and the adjusting knob and the cover of the reservoir are the same color as the lever and can be had in black or in various anodized colors. - For use with 1" diameter handlebars - 19mm piston diameter - For dual disc models - Non adjustable 19mm distance for track/street use - M10x1 threaded for brake hose - Zinc plated steel bleed valve - Stainless steel hardware - Brake light switch is separately available as 720988 - Formula 1 compound rubber seals. Note: Fluid reservoir must be purchased separately. See Accossato''s billet aluminum 717630 (horizontal fluid outlet) or 717679 (vertical fluid outlet) 25cc fluid reservoirs.