Darkstar Skateboards began in 1997 as a skateboard wheel company. It has since expanded its operations into a full-blown board company with a solid list of professional skaters. The Darkstar Insignia Wheels are the perfect accompaniment to your deck with a 99A durometer heavily reduces flatspotting and urethane material ensures a smooth and fast ride Features - Diameter: 52mm or 54mm - Durometer: 99A - Solid, Smooth, Fast - Pack of 4 Code: Insignia Skateboard Wheels