20-640 Tech, Classic handlebar master cylinder. 12mm

For a truly vintage aesthetic, this Kustom Tech Classic handlebar master cylinder is hard to beat. Forged from aluminum and finished in a high polish, it features a smooth-shaped lever and a distinctive finned cover that screams retro style. It is designed for 1-inch handlebars and includes a 12mm piston, making it suitable for various custom brake setups. The unit also features an integrated oil level inspection glass and has the necessary approval codes printed discreetly underneath. Whether you are building a bobber or a classic chopper, this master cylinder provides the perfect period-correct look while maintaining modern hydraulic reliability. It is a compact and elegant solution for any clean handlebar project.