These brand new Ryan Reyes Bones Wheels wheels are high-quality street tech formula. They measure 52mm in diameter and 83b in hardness, and will provide a smooth ride. Bones Wheels Dry Bones Wheels are sold in (1) set of four (4) wheels. Note: bearings not included. Includes: One (1) set of 52mm Bones Wheels Dry Bones Wheels; includes four (4) wheels.