Madd K3 Abec 11 Bearings and Spacers Kit

Madd Gear scooter wheel bearings are available in three ratings, K1 which is equivalent to ABEC-7 rated, K2 which is equivalent to ABEC-9 rated bearings and the new K3 bearing set which offers the same high quality roll speed as seen on the equivalent ABEC-11 rated bearings.