Poured in Seismics Premium Clear formula: the best beautiful clear urethane on the market. Smooth, fast, and grippy Introduced in 2002, the 75mm by 65mm Avila is the original big, wide wheel, and the template for many race wheel designs that followed. Weighing more than 1/2-pound each, the Avilas excel on long courses due to their tremendous roll speed and inertia. Named after a favorite training ground for California Central Coast racers, and the site of the 2002 World Slalom Championships. Great for all-purpose longboarding and cruising, and among the worlds best wheels for racing disciplines including GS, DH, luge and beyond. Specifications: Diameter: 75mm Width: 65mm Contact Patch: 65mm Durometer: 75a Core Placement: Offset Lip Profile: Sharp Wheel Surface: Smooth To Sum It Up: Big, fast and grippy. Best suited for a long course.