Polaris Sportsman All-Terrain Vehicle (ATV): built to military specifications, and now available to civilian consumers. Best feature: Non-Pneumatic Tire Technology (NPT) -- i. 'Airless' Wheels, thus making it rugged in endurance
wheel = rueda :) The Tweel tire design developed by the French tire company Michelin. The hub connects to flexible polyurethane spokes which are used to support an outer rim and assume the shock-absorbing role of the compressed air in a traditional tire.