Bicycle Brake Seal Kits

About

Restore leak-free braking performance and crisp hydraulic feedback with our Bicycle Brake Seal Kits collection . Designed to replace degraded, swollen, or cracked original internal gaskets, these service kits restore absolute pressure integrity to your bike’s hydraulic system . Choose from caliper piston quad-rings and dust wiper seals to eliminate sticky piston retraction and fluid weeping at the wheel, or select master cylinder piston seals and diaphragm bladders to fix spongy levers and maintain a firm bite point . Engineered from oil-resistant EPDM and NBR compounds, these seals withstand extreme thermal changes, high system pressure, and aggressive DOT or Mineral Oil fluids .