Hydraulic Master Cylinder Dust Covers. Designed as a simple add-on item that helps protect the master cylinder while adding a clean, finished look to the bike. Key Features: Sleek design specifically built to fit ARC Folding Levers (sold separately). Race-spec stainless steel hardware for tight tolerances and precise fit. Performance rubber with polymer overmold ARC logo for added durability. Weather and UV-resistant for long-term use. Sold individually by position (clutch / brake).