724137 Brake master cylinder. Black/Black

With Black body and Black lever/knob. PRS 19x17-18-19 with folding lever. Short folding lever No RST (Racing Short); so without eyelet for weight reduction. Radial brake handlebar master cylinder; 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. This distance is 19; 18 or 17mm adjustable; allowing you dial-in your preference for either track/street use. Designed for reduced weight but still maintain 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 body is black anodized or nickel plated. The color of the adjusting knob and folding end of the brake lever are available in various anodized colors allowing you to color-match your bike. - For use with 1" (25.4mm) diameter handlebars - 19mm piston diameter; for dual disc models - Adjustable 19; 18 or 17mm 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 s