The 4 inch (100mm) aluminum Mecanum wheel set (2x Left, 2x Right) allows your robot to easily move forward and backward (reverse), laterally, diagonally, or spin in a circle. Each roller has a plastic sleeve bearing. Nexus part# 14162.
These heavy duty 8 inch (203mm) aluminum mecanum wheels allow your robot to easily move laterally, diagonally, or spin in a circle. This set includes four wheels. These use ball bearings for smooth operation and high load capacity.