Brake lever left with brake cylinder Jonway 125 Bashan BS300S-18A

Accurate Braking Performance! – Left Brake Master Cylinder for Jonway 125 & Bashan

Complete Hydraulic Unit – Includes master cylinder, lever, and mirror mount

Upgrade your braking system! This left-hand brake master cylinder is a high-quality replacement part for Jonway 125 scooters and Bashan BS300S-18A ATVs. It features an integrated 10 mm mirror thread and is designed to be mounted on any standard 22 mm (7/8") handlebar. The unit ensures a consistent pressure point and reliable braking power.

Technical Specifications & Details

• Component: Left-hand Brake Master Cylinder & Lever.

• Handlebar Fit: 22 mm.

• Mirror Thread: 10 mm.

• Compatibility: Jonway 125 GT, Bashan BS300S-18A, and various 125cc-300cc Chinese scooters/ATVs.

• Benefit: Integrated brake light switch included for a seamless replacement.

Installation & Maintenance Instructions: (For guidance purposes only)

• Visual Compatibility: Before installation, perform a visual check. Match the lever design and electrical connector with your original part.

• System Bleeding: A thorough hydraulic bleed is mandatory after installation. Use fresh DOT 4 brake fluid until a firm lever feel is achieved.

• New Seals: Always replace the copper washers on the brake line bolt to prevent fluid leaks under high pressure