Originally Posted by
onespeedbiker
This is a common argument, but even roller bearings are not immune from false brinelling. Here is a photo of the roller bearings used by Stronglight and below is an A9 I used on a bike for a couple of years. As you can see there are false brinelling marks on the race; however the good thing about the A9 is the races come with the rebuild kit!
Here's mine, after
20 years with
zero maintenance:
I still think roller bearings are better suited for headsets than ball bearings.