Hope Tech 4 Master Cylinder Diaphragm

• reservoir membrane/seal to prevent air ingress and contamination
• compatible with Hope Tech 4 brake levers
• rubber/elastomer material for flexibility and sealing properties
• black color finish

The Hope Tech 4 diaphragm is a genuine replacement membrane for the fluid reservoir in Tech 4 brake assemblies. Made from flexible rubber, it prevents aeration and seals the expansion chamber to keep the lever’s hydraulic system stable under use.

• 1.5g