Rear Brake Pump Assembly Foot Brake Master Cylinder is Ideal for use in rear foot brake assembly of Royal Enfield Royal Enfield Bullet Electra Standard Classic 350cc 500cc stable features and high reliability Excellent Braking Performance This rear brake master cylinder pump is nice replacement parts Package Content :- Dhe Best Bike Rear Disk Pump Foot Brake Master Cylinder only bs4 and bs6 models Black Compatible with Royal Enfield Classic Desert Storm