Mecanum Wheel Omni-directional Car DIY Chassis, 520 Motor TT Tire Coupler - 80mm Nylon Mecanum Wheels ×4 + 6mm Hex Coupler

Premium DIY omnidirectional mobile robot chassis kit equipped with 4 piecesof 80mm heavy-duty nylon mecanum wheels, matched 6mm hex couplers, perfectlycompatible with 520 motors and TT tires for smooth 360° multi-directional movement, idealfor robotics competition projects, STEM education DIY builds and custom mobile robotdevelopment.