Riedell kwik abec 5 skate bearings pack of 16kwik abec 5 bearings are constructed of quality chrome steel races and have been proven to deliver a smooth roll time after time the 5 is part of the abec bearing rating system and determines how much roll the bearing has the higher the number the longer it will take your wheel to stop spinning after you stop pushingwhen looking for a set of bearings be sure to consider the quality of the bearing components bearings consist of races balls cag