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May 12, 2021, 9:39 a.m. -  Perry Schebel

yep. i'm not going as far as calling it a scam (though they do appear to be marketing to a crowd willing to spend $1700 on derailleur pulleys, so...), but if there's actual engineers at the helm of this endeavor that don't recognize the futility of this project, i'm scratching my head.

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