Micro58 axle kit includes: Two black threaded endcaps with knurled exterior, threaded Micro 58 Axle and 688 stainless bearings. If you are unsure what hub you have, please check the link below.

Identifying Your Micro Front Hub

Micro58 Front Hub Bearing Change

Note: If your endcaps are not threaded and have a smooth exterior you have a Micro68 hub. The Micro68 hub has been discontinued and is no longer supported.