Flash987 Posted February 15, 2009 Share Posted February 15, 2009 I had some questions about front/rear sprocket sizes and their relation to RPM/MPH. Upon doing some digging on the web I found this site. If accurate, it can answer lots of questions about how your RPM/MPH is affected by changing the front and or rear sprocket sizes. http://www.gearingcommander.com/ Quote Link to comment Share on other sites More sharing options...
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