EXNAVI 4 Piston Hydraulic Brake Repair Parts Upgrade kit Ceramic Piston Perfect Substitute for Shimano Brake Caliper 4-Piston M640 M810 M820 M7120 M8020 M8120 M9120
$29.88
- Only suitable for Shimano MT420 MT520 M640 M6120 M7120 M810 M820 M8020 M8120 M9120, not applicable to other than these models
- Extreme environment tolerance: Working heat resistance is greater than 400 degrees Celsius, with heat insulation and heat resistance effect
- Top material safety guarantee: Automotive-grade brake synthetic phenolic resin，The same material standard as motor car , impact resistance, aging resistance, solves the fatal defect of traditional ceramic pistons that are fragile and cause oil leakage
- Turbofan airflow design with eight-point contact with the piston for better heat dissipation
- Strong and durable, no breaking or cracking, Solve the original brake ceramic breaking and oil leakage problem, No worries about oil leakage
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