Hobbywing HW-30860200 FAN-WP3510SH-5V-10500RPM@5V-BLACK-A 30860200 Cooling Fans Motor / ESC / Cooling Fan
Applying this fan installed on your own ESC heatsink, you'll have the absolute most cooling performance.
Specifications: Oil/Porous Bearing / IP55 Standard / JR-3P Male Plug / L=70MM
Applications: EZRUN MAX6, QUICRUN-WP-8BL150