��Parts useful for improving the performance and setting of the RC car��
Used in place of the standard gear differential. The front one-way bearing built-in one way bearing not only improves the turning ability by making the front wheel free at the time of braking. but also it becomes the direct drive in the state where the power is applied. so acceleration performance is improved compared to the gear differential.
Also. if you use the included pin and fixing O-ring. you can also use it as a direct coupling that brings the left and right wheels directly to the direct connection state.

��Basic Specification��
Including one-way unit. 40T gear. cup joint. O ring. needle ruler pins etc are also set.