Yokomo B9-503GSA 10T Bevel gear shim set (4pcs) for BD9

It is the 10T bevel gear side shim set used inside the gear differential of BD9. In addition to being able to use it as a standard replacement, in addition to the standard it is possible to further reduce the gear clearance and give a direct feeling to operation by narrowing down the gear clearance to one by two. Especially in the tight turn of the technical circuit etc. It has an effect on throttle response improvement.