- 57mm diameter - Durometer 81b - "Superpark" formula
Ricta's Superpark Wheels are made with the Ricta Superpark formula urethane. This is the ultimate skate park formula! It has been specially formulated in a fast and buttery 81b durometer. Superparks are perfect for concrete, with all of Ricta's legendary durability and resistance to flatspots...super smooth & super slide.