OD21.9*H8.8 bicycle hydraulic brake caliper piston oil leakage repair kit upgrade replacement Shimano ceramic double piston suitable for M675 M785 M7000 M7100 M8000 M8100 M9000 M9020 M9100 brakes

Description

🚴‍♂️ Upgrade your ride with precision ceramic power – don’t let leaks slow you down!

This OD21.9*H8.8 ceramic piston repair kit is a premium replacement for Shimano hydraulic brake calipers (M675 to M9100 series). Crafted from automotive-grade phenolic resin, it offers superior heat resistance up to 750°F and features a turbine fan-shaped design for rapid heat dissipation. The kit includes all necessary seals and pistons to restore braking performance, specifically designed for mineral oil systems, ensuring a durable, leak-free upgrade that keeps your brakes responsive and reliable.