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I am overhauling an old bike, it's a mountain bike with a 1'' threaded head tube.
I'm confused about the bearings, I'm used to either loose bearings or sealed ones but these are sort of half and half, you can see the ball bearings but they are held in place by a kind of ring clasp device, also there is no top lock nut, instead there is a threaded plastic racer with a metal clasp that fixes everything in place, something else I have never seen before.
Questions
>Which way do these bearing orient? They are from the bottom fork end of the headset assembly and fell out when I removed the forks before I could see how they were seated.
>Is that top fastener going to be enough? I never saw one without a lock nut before, it does seem to work but it kind of means I have no real control over the tightness of the bearings, maybe this is how they used to do it back in 1990.
