Behold the Tweel, a Tire That Never Goes Flat
13th January 2015
Unlike pneumatic tires, which cushion rides using a bed of pressurized air, the X Tweel uses a combination of deformable polyurethane spokes, a steel-and-rubber outer rim, and rigid metal hub. The outer rim—called a shear beam—carries most of the load. The spokes and hub distribute the load across different parts of the shear beam as the tire rolls over objects.