BONES WHEELS | SKATER ENGINEERED AND DESIGNED The Bones Mummy Skulls 100a V4 Wide Wheels White are excellent wheels for the all-around skateboarder looking for an unbeatable value wheel. Bones original formula. Great for skating rails, ledges, bowls, and anything else in your pathway. Skater designed and built for faster longer grinds, more resistant to flatspots with light weight material to keep you rolling. Wheels sold in sets of FOUR. Features: Bones V4 Shape 100A Durometer Bones Original Formula UV Protected Versatile, less side drag and high rebound for speed Wheels sold in sets of FOUR