The Bones OG Formula 100’s Wheels are excellent wheels for the all-around skateboarder looking for an unbeatable value wheel. Manufactured with the V5 Sidecut shape, great for skating rails, ledges, bowls, and anything else in your pathway. Skater designed and built for faster longer grinds, more resistant to flatspots, and light weight material to keep you rolling. Features: Diameter : 55mm Width : 32mm Original Formula 100a Formula : SBA Surface : Smooth Shape : V5