Feature: 1. For TT motor has no welding plug, users do it by themselves, versatile and convenient 2. The outside of the wheel is an artificial shape, the color use yellow and black, and the appearance is more three‑dimensional 3. The rubber‑coated wheel is made of rubber material, which bring smooth running and better gripping ability 4. Allow the four‑wheel drive smart car to realize left and right translation, large‑angle drift, tilt 45° direction movement, square track movement and other movement modes, very practical 5. For TT motor adopt all environmentally friendly materials, equipped with good‑quality carbon brushes, strong magnetic core, with shielding ring Specification: Item Type: Mecanum Wheel Material: ABS, rubber, copper Purpose: DIY smart car, small robotWheel Parameters: Diameter: Approx. 48mm / 1.9in Coupling Type: For TT couplingMotor Parameters: Torsion: 0.8kg/cm (at 3V) Reduction Ratio: 1: 48 Load Current: 70mA (250mA maximum)(at 3V)VoltageNo-load currentNo-load speed6V≤200mA200±10% rpm3V≤150mA 90±10% rpm. Package List: 1 x Left Wheel1 x Right Wheel2 x Motor