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coot
I've got various NIB uniglide cassettes. I would like to get top money for them, to pay for some travel plans. I could weigh them for you if you like. I reckon they ought to weigh more than hyperglide ones because HG are cut out more, if you see what I mean, so the chain can run on two sprockets at the same time to enable a smooth change. Which I think was the point of HG. I reckon UG ones ought to last a lot longer. But I'm not exactly an engineer.