Heatsink ring to the motor TSDZ2 for easier heat dissipation from the motor to the housing. Mounted between the motor and the motor housing. Comes with a thermopad that fills inequalities and presses the plate to the motor. You should also apply thermal paste or thermal glue between the motor and the ring. The set does not include the thermal glue or thermal paste (need 1-1.5g).
Cooling installation instructional video from e-bikestuff:
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