Front brake master cylinder for 50cc motorcycles including Rieju RR, Derbi Senda, Gilera RCR, and Yamaha DT.

Complete assembly with lever, handlebar mount, and brake light switch.

M10 mirror mount, 22 mm handlebar clamp, black finish.

Universal replacement when original parts are unavailable or expensive — ideal for conversions and repairs. Includes all necessary components; brake fluid and system bleeding required during installation.