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06.25.2009, 12:36 AM
me and ben use mostly the same sources... mcmastercarr.com and robotmarketplace.com will have most common sizes... besides, ben's parents jacked the computer right out of his room, so you may not find him online for a bit...
If you are modifying a regular bicycle wheel, be aware that they do not use standard 25 chain... If you cant budge on the gear ratio, anybody who runs a cnc machine can cut you one...
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