If the bearings in your Tange Seiki Levin headset are toast, you need to replace them before they damage the races inside your headset cups.

These fit Tange Seiki Levin CDS and Levin NJS headsets. 

Sold individually so if you need two, buy two.

ⓘ These retainer bearings fit a lot of other headsets too, but it's up to you to figure out which ones.