Yokomo S4-503D16A 16T Drive Gear[Use w/S4-503R16] for YZ-4S 橫崛  [S4-503D16A]

This is a YZ-4S standard differential drive gear. The number of teeth is 16T, and please use it in combination with the special ring gear (S4-503R16●2, 500).

Supported Chassis
B-YZ4SF / B-YZ4SF2-1 / MOR-010 / MOR-020