4PCS 80MM Omni Wheels For DIY RC Robot Smart Robot Car

Description: Product: Omni Wheel Install Diameter: 6.5mm Outer Diameter: 80mm Thickness: 37mm Support Wheel: 9pcs each omni wheel Bearing Weight: 10kg approx.(4pcs work together) Application: For DIY RC Robot Car Note: Package is not included the coupler Package Included: 2* Right Side Omni Wheel 2* Left Side Omni Wheel