The GPM 7075-T6 Alloy Cooling Fan Kit - GPM3357FAN is engineered for hobbyists seeking a robust cooling solution for 40-56 series motors. The fan mount is produced from 7075-T6 aluminium for high strength and stability, while the kit includes a 316 stainless steel belt lock to secure motor fitment between 40mm and 56mm diameter. The compact 40x40x10mm fan runs at 8.4V, consumes 0.65A and reaches 15000RPM to supply continuous airflow under sustained load.