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Old 12-06-2008, 12:20 AM
5-7HEAVEN 5-7HEAVEN is offline
Motorized Bicycle Elite Member
Join Date: Aug 2008
Posts: 1,912
Default Re: Need mental and ratio help! Please!

Your present calculation gives you 6.87:1., and you need 11.41:1.

An easier resolution is to calculate gear ratio with the next-to-last(larger) sprocket on the rear hub.

Tell me what it is, and we can do more easily attainable calculations.
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