Specification Brand : Restokki BulletPoint1 : For TT motor has no welding plug, users do it by themselves, versatile and convenient BulletPoint2 : The outside of the wheel is an artificial shape, the color use yellow and black, and the appearance is more three‑dimensional BulletPoint3 : The rubber‑coated wheel is made of rubber material, which bring smooth running and better gripping ability BulletPoint4 : 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 BulletPoint5 : For TT motor adopt all environmentally friendly materials, equipped with good‑quality carbon brushes, strong magnetic core, with shielding ring ExternallyAssignedProductIdentifier : 7620620241480 IncludedComponents : No ItemName : Restokki Mecanum Wheel + for TT Geared Motor Smart Robot Car Parts Accessories DIY Toy Components 48mm ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : robot-parts Manufacturer : Restokki ModelNumber : Restokki4kz89uy0wm NumberOfItems : 1 PartNumber : Restokki4kz89uy0wm ProductDescription : Item Type: Mecanum Wheel Material: ABS, rubber, copper Purpose: DIY smart car, small robot Wheel Parameters: Diameter: Approx. 48mm / 1.9in Coupling Type: For TT coupling Motor Parameters: Working Voltage: 3V~12V DC (recommended working voltage is around 6 to 8V) Torsion: 0.8kg/cm (at 3V) Reduction Ratio: 1: 48 Load Current: 70mA (250mA maximum)(at 3V)