Jitsie Piston O-Ring for Jitsie Brake Master Cylinder Race

• replacement NBR o-ring for Jitsie brake master cylinder Race
• the HS brake master cylinder piston uses 2x 10x2mm o-rings
• the disc brake master cylinder piston uses 2x 6x2mm o-rings
• ensures a tight hydraulic seal and smooth piston operation
• resistant to brake fluid, wear, and temperature changes
• maintains consistent brake pressure and lever feel
• recommended for regular servicing or rebuilds
• sold per individual o-ring
• 2 o-rings needed per piston

The Jitsie piston o-ring is a replacement NBR rubber seal for the piston inside the Jitsie brake master cylinder Race. It ensures a perfect hydraulic seal for smooth piston movement and consistent brake pressure.

Made from high-quality NBR (nitrile rubber), it offers excellent resistance to brake fluid, wear, and temperature variations — essential for maintaining top brake performance and preventing leaks.