The Bones Street Tech Formula 56mm Boo Johnson Poly Urethane Skateboard Wheels are high-quality wheels designed for skateboarding enthusiasts. With a width of 56mm, these wheels provide a smooth and stable ride, making them ideal for outdoor sports and recreational activities. The Bones brand is known for producing durable and reliable skateboard parts, ensuring that these wheels will last for a long time and withstand the demands of skateboarding.