Love to cruise? These brand new Bones Wheels wheels are built to last! Measuring 56mm in diameter and 80a in hardness, they pack a super smooth ride. Over gravel or while you film that dope skate video that'll put you on the map (go ahead - we'll wait), these softer wheels help you dominate like a smooth operator. Bones Wheels ATF Rough Rider Runners Red / Black Skateboard Wheels - 80a are sold in (1) set of four (4) wheels. Note: Bearings not included.