Generally, when modifying toy cars, first compare the sizes of the motors. Only when the motor sizes are similar can they be installed. When choosing motors, it is advisable to choose super motors first. Super motors are more compatible with various remote-controlled cars. Because the starting current of super motors is relatively large, the circuit boards of some remote-controlled cars may limit the current, and thus some remote-controlled cars are not compatible. One motor comes with 4 gears of different sizes and 1 104 capacitor to facilitate your installation and use.
Dear customers, in order to improve the performance of the motors, lubricating oil needs to be added to the bearings. As a result, the stickers may sometimes get stained with paint. This is normal. Please don't place an order if you mind it.