All Balls Racing Master Cylinder Rebuild Kit (18-1002) S3-Heading-Air Box Cover Standard 7/8 inch diameter ensures

Standard 7/8 inch diameter ensures compatibility with conventional grips and controls

especially when accelerating

Will fit handlebars of 1" diameter

Tailor on-screen switch panels with customisable labels

These shutterless intakes are designed to be always open

All Balls Racing Master Cylinder Rebuild Kit (18-1002) S3-Heading-Air Box Cover Standard 7/8 inch diameter ensuresThis master cylinder rebuild kit provides a cost effective solution for maintaining your hydraulic braking system without replacing the entire unit. It includes precision engineered parts designed to restore factory spec pressure and responsiveness. Includes durable copper washers and return springs to ensure consistent lever action. Manufactured with high grade materials to prevent premature wear and fluid bypass. Sourced from a trusted industry