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Sept. 7, 2023, 3:35 p.m. -  Justin White

I don't know about "tremendous drag"... An OverSize PulleyWheel mech cage replacement saves 2-5 watts by almost doubling the size of one pulley, and adding a few teeth to the other for a total of twice as many teeth. That's not exactly "tremendous", and the equivalent of just below middle of a 12 speed the cassette to the smallest cog.

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