HobbyFans Aluminum Motor Cooling Heatsink/Fan Combo (40mm Fan / 28000 RPM / 5-8.5V) S3 Wide latch mounts cover the

Wide latch mounts cover the existing body mount holes to provide a secure mounting point that helps prevent pull-through damage

hub carriers

Installation is a breeze using the included power tap

they put 2 years of engineering experience and customer requirements in the making of this product

HobbyFans Aluminum Motor Cooling Heatsink/Fan Combo (40mm Fan / 28000 RPM / 5-8.5V) S3 Wide latch mounts cover theThis aluminum motor cooling heatsink fan combo is designed for 40xx to 42xx size motors. It is small and lightweight with 28000 RPMs and includes the heat sink. FEATURES: Easy to install and remove. Prevent the motor from overheating even at speeds up to 28000 RPM. Excellent heat dissipation effect to protect the motor and extend its service life. Designed for RC Cars 40xx to 42xx brushless motors. The cooling fan can power up from the receiver.