RS550 12V 35000 Motor Most children's wheels are used in the motor power Specially customized for car modification size width x depth x height The gear is not equipped with a motor but is in the box Specification Rated voltage: 12V Speed: 35000 / min Application: In most children's wheels, the motor wheel can directly replace the 550 motor Color: silver Material: metal Package Contents: 4 x 12V RS550 35000 / min Motors 4 x 10 teeth 10mm 4 x 10 teeth 8.5mm Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.