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Ironfish653's post made me think a little: if you are not using the full range of your 11-28 cassette, you could install a tighter one so that you are closer to optimal gearing most of the time. I, for example, have no use for a 50/11 top gear. Just switching to a 12-28 would bring the top three gears down and into the range where I do my riding. (In fact, a 13-28 would be even more to my liking.
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