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umop3pisdn-
I'd be surprised if they're doing over 100rpm https://www.youtube.com/watch?v=quk71-Skmnc
I'd be surprised if they're doing over 100rpm https://www.youtube.com/watch?v=quk71-Skmnc
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Sumo
Interesting, where did you get the pic?
The rear sprockets looked to be no more than 13 tooth. 64 - 13 is 132.9'' and 64-12 is 144''.