Santa Cruz Skateboards pre-built completes feature wider shapes for easy foot placement and shorter wheelbases for easy turning with a sizing guide that makes buying a new entry level complete straight forward for beginners of any age or gender. Deck: Lightweight and strong 7-ply construction. Trucks: lightweight and strong cast aluminum. Wheels: Smooth riding, durable wheels with 95a hardness high-rebound urethane. Large size measures 8.25" x 31.5" with a 14" wheelbase.