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  • granted, but why haven't they always been smaller?

    Why haven't we always had carbon frames, why haven't we always had 20+ gears etc,.

    Micro makes sense on a BMX where they are not ridden any distance but on an MTB the problems of using a 9t driver would start to become apparent within a few weeks I would think. I wouldn't bother on noise alone as I like my SS whisper quiet.

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