The Bones Wheels X99 Formula Timeless Machine V5 Sidecut 99a 54 mm Skateboard Wheels are designed for superior performance and smooth riding. These wheels feature the X99 Formula, which provides exceptional rebound and a smooth, effortless ride. The V5 Sidecut design enhances control and stability, especially when performing slides. These wheels are crafted with a 99a durometer, offering a balanced blend of grip and slide. The robust construction and high-performance materials ensure durability and longevity. Designed for skaters seeking a smooth, high-rebound experience, these Bones Wheels are perfect for a variety of skateboarding disciplines.