Originally Posted by
base2
Is there a reason you just couldn't slam a cog on a cassette & use a bunch of spacers to make up the difference?
Well, call it my religious devotion to riding a fixed gear bicycle.
Originally Posted by
base2
FWIW: Smaller bearing balls are weaker & will crush into the bearing race much sooner on their way to to becoming tiny ovals. There is a reason rear hubs have 4 (count 'em 1, 2, 3, 4) 6902 bearings & front hubs have only 2. It's because the load on the rear is greater. Both in terms of the mass supported, but also the additional loads involved in propelling the bicycle.
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This is the kind of discussion discussion I am looking for. Thank you.
So, in thinking this through, it seems as though this set-up would be less forgiving. I wonder if keeping up on greasing the bearings and keeping water out would ensure a long life. Never letting grease dry out, wear out etc. etc.