OJ Wheels new 57mm Team Rider 95a are newly engineered based on the original shape from the 80s and feature new artwork by Live Rad @liveradstudios based on original art by Jim Phillips. Team Riders have a super wide riding surface for fast consistent slides with hard edge andclassic, inner conical shape for lock-ins. Team Rider 95a is a true, high performance urethane offering a more forgiving durometer for rough terrain with easy, consistent power slides and bark you normally only get with a harder urethane. All OJ skateboard wheels are sold as sets of 4. Wheel Diameter (Millimeters) 57 Wheel Durometer/Hardness 95a Road Surface (Millimeters) 29 Wheel Width (Millimeters) 37