It is a special motor mount of optional parts for YD-2 series.
In drift driving. the running speed is low in proportion to the motor rotation speed. and troubles due to overheating of the motor are also small.
Especially when running with a high-powered motor. high cooling efficiency is required. but this motor mount promotes heat dissipation effect by making it a radiating fin shape. keeps the motor temperature during running. maintains good throttle response In addition to preventing trouble beforehand.
Also. the fins are subjected to bevel edge treatment. and the looks are tightened with a sharp impression.