Feature:1. For TT motor has no welding plug, users can do it by themselves, very versatile and convenient2. Artificial wheel shape, the color use yellow and black, and the appearance is more threedimensional3. The rubbercoated wheel made of rubber material, which possess smooth running and better gripping ability4. Support the fourwheel drive smart car to realize left and right translation, largeangle drift, tilt 45 direction movement, square track movement and other movement modes5. For TT motor using all environmentally friendly materials, equipped with goodquality carbon brushes, strong magnetic core, and shielding ringSpecification:Item Type: Mecanum WheelMaterial: ABS, rubber, copperPurpose: DIY smart car, small robotWheel Parameters:Diameter: Approx. 60mm / 2.4inCoupling Type: For TT couplingMotor Parameters: Torsion: 0.8kg/cm (at 3V)Reduction Ratio: 1: 48Load Current: 70mA (250mA maximum)(at 3V)VoltageNo-load currentNo-load speed6V200mA20010% rpm3V150mA 9010% rpm.Package List:1 x Left Wheel1 x Right Wheel2 x Motor