SKYRC Tire Sander, Black The SkyRC Rubber Tire Sander can be powered by a 12V power supply, as well as powered directly from a 2S LiPo battery! The Tire Sander is a quick and easy way to remove the seam from the center of a new tire, without having to take several laps around the track. Rubber tire sander for touring class Powerful high torque DC motor with dual metal bearings Adjustable motor RPM 8 LEDs indicate running RPM Light-weight aluminum case Quiet operation Protection: Input reverse polarity protection Reversible rotation