Wahl Bros. has designed tough, lightweight aluminum skis for asphalt racing. Available with two or four wheels and in Aluminum or Black Powder Coat, these asphalt skis feature the newest wheel innovation available. Billet aluminum wheels with a high grade polyurethane molded on make for a wheel that can handle speed and friction like no other wheel available. The asphalt skis with two wheels weigh 4 lbs. 2 oz. each, while skis with four wheels weigh 5 lbs 4 oz. each. NHRA & ISR approved. Sold in pairs.