Plan B Rodriguez Pro Spec Skateboard Wheels-Pack of 4 (Prod, 50-mm) The ProSpec Rodriguez wheels feature a Superthane Formula that guarantees there will be zero flat spots while providing a lighter weight and longer lasting skate wheel. Pro spec wheels zero flatspots superthane formula. 100-Percent guaranteed backed by warranty, light weight, molded dimple pattern similar to a golf ball. Very high end wheel. 101A. Includes set of 4 size 50mm skate wheels. Designed and tested by super pro Paul Rodriguez. Great for street and technical skateboarding