ABEC 7 Chrome Steall or ABEC 7 Carbon plz awnser 1st awnser get best answer
hard to tell, I bet they are the same if you broke them in. It can take months of constant skating to break in a set of abec bearings. You never know what you're going to get with abec rated bearings because that rating doesn't mean anything for skate bearings only swiss does. Use some speed cream and break them in and you'll have some fast bearings.
