Need a super set of bearings for those new roller skates or that new skateboard? Bones Redz bearings are what you have been missing. Bones Reds skate bearings are "Skate Rated" better than the ABEC system. For such a cheap price Bones Reds bearings are by far the best quality bearing that will keep you rolling around the rink or the derby track. Bones Reds are the go to bearing for roller derby skaters around the country. Ask around - it's no secret.