This is a waterfall bracket replacement that is designed to mount an included 25mm cooling fan for the motor and positions it directly over the motor. This has been shown to keep motors as much as 30 degrees cooler in racing conditions. The fan includes a 3 position plug that goes directly into an open receiver port and operates off standard receiver voltages. All additionally required mounting hardware is included.

**Note that on some configurations, the small vertical tab on the stock battery hold down may need to be trimmed to fit stock sized batteries.