MEUS Racing Cooling Fan Heatsink with 40-43mm Adjustable Dual Mount, 21000 RPM High-Speed Cooling Fan Heatsink for 1/10 1/8 1/5 RC Brushed Brushless Motor 4274 4068 4268 Motor and ARRMA Axial Motor.

Key Features:

• It's made of high-quality aluminum alloy, CNC machined, decent, and long-lasting with great thermal conductivity.
  
• It comes with a diameter of 40mm-43mm adjustable mount, perfect for 1/10 1/8 1/5 scale RC car brushless brushed motors, such as 4985 1717 to provide a great cooling effect for various RC cars.
  
• Up to 21000 RPM to provide an excellent cooling effect to keep good motor performance.
  
• This RC motor cooling fan supports an 8-12V power supply and can be powered by the equipped 2S and 3S lipo balance connector, with a circuit breaker, which can be closed when not in use, and 1A current when connected with a 12V power supply.

Specification:

• Size: 40×40×31mm
• Weight: 110g
• Max. RPM: 21000PRM.
• Power supply: 8-12V

Package includes:

• 1 × RC motor cooling fan with an adjustable mount。
• 1 × screw set.