RS550 12 V 35000 motorMost of the children 's wheels are used in the motor powerSpecially customized for car modification size width x depth x heightThe gear is not equipped with a motor is in specificationRated voltage: 12 VSpeed: 35000rpmapplication: In most children, the motor power wheel can directly replace the 550 motorColour: silverMaterial: metalPackage Contents:2 x 12V RS550 35000rpm motors2 x 10 teeth 10mm gear2 x 10 teeth 8.5mm gearOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.