CCLUB Bike Hydraulic Disc Brake Caliper Piston Kit - Compatible with Shimano M640 M810 M820 M7120 M8120 M9120 4-Piston Brakes | Mountain Bike & E-Bike Brake Repair Replacement Parts | Perfect for Trail Riding and Downhill Cycling Maintenance

This fits your . Make sure this fits by entering your model number. FAN-SHAPED HEAT SINK DESIGN,which can reduce the contact area for heat transfer, increase air shuttle, and promote heat dissipation. DEEP CONCAVE DESIGN ON THE BACK TO CENTER THE THRUST. Compatible: ZEE BRAKE (M640 M810 M820 M7120 M8120 M9120) colour: black Material: heat-resistant materials