Fits:The 390 Gear set used for children ride on car 390 gearbox(Lubes must be applied before installation).
Type(Optional): 6V 18000RPM, 12V 12000RPM, 12V 16000RPM, 12V 20000RPM. 【Kindly Remind】Check the size of the gear before purchasing. There are Four type : Type(Optional): 6V 18000RPM, 12V 12000RPM, 12V 16000RPM,...