• Had some on a recumbent decades ago, kind of weird but worked okay for that application.
    See above for tester’s declaration.

  • Not 150, but 140 and 160. My experiments matched the published work on the subject, which is that if you keep gain ratio constant, crank length is all but irrelevant. You can use this to your advantage in contests where gear development is restricted, i.e. Medium Gear races

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