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Old 02-23-12, 12:47 PM   #1
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Question Photos of two stage gear reduction for long cargo bikes

I need to see photos of two stage gear reductions set on a long cargo bike.

I want to build one using this reduction from a 12 volt motor:
3000rpm x (3"/9") x (3"/12") x 2074.71 circumference x 60minutes x .621504 mi/km= 19.3mph

this is the only photo that I have been able to find
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