SIGNATURE SERIES Team tested on mountain grades, neighborhood steeps, and city streets, our Signature Series uses high performance urethanes, exclusive shapes, and fiberglass reinforced cores for enhanced control, roll speed, and durability in all conditions. SLICKS FORMULA An easy sliding formula built to generate huge smiles as it pastes thane lines across all your favorite spots.  GROOVETUBE CORE A wide "tube" profile holds the urethane's shape under demanding conditions to offer improved grip, roll speed, slide characteristics, and durability.  SPECS Size: 58mm Durometer: 80A Contact Patch: 34.0mm Offset: 0.0mm Round Lip Stone Ground Set of 4 Wheels Arbor Skateboards Axel Serrat Suave Slick Formula 58mm Wheel