Tamiya Hop-Up Options 53930 Super Stock BZ Brushed 540 Motor 23TThis versatile motor features torque ideally suited to off road cars. It utilizes brush damper, terminal heat sink, and chip condenser components. A sponge cover is included to protect the motor. The gun metal color can has slits to help heat dissipate. Features a blue anodized end bell. Input voltage: 7. 2V RPM (without load): 26,500 Maximum torque: 49mN m (7. 2V) Use ball bearings when installing this motor. XV 01 series chassis will require motor