how does a rear derailleuer work?
saintadolf
Posts: 245
need to know how a rear dereallier pulls the chain from one cog to the next for my as coursework (making an automatic shifter for my road bike)
06 Kona Blast with RS Tora solo airs 
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read parktools or sheldons webbys."Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
Parktools :?:SheldonBrown0
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