Yokomo B10-BW20A Center Balance Weight 20g Diameter 10 For Use With (53mm-31-mm)

It Is A Brass Center Balance Weight For Use With Diameter BD10. It Can Be Installed Between The Motor Mount And The Battery, Allowing For Weight Adjustment Without Disrupting The Machine's Weight Balance. The Weight Is 20g. It Is Used By Attaching With Double-Sided Tape, Etc.