you need to measure your hubs chain line, your BB shell, then find what BB length your cranks want for the chain line that your hub gives you
http://www.sheldonbrown.com/chainline.html
@chris_crash started
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you need to measure your hubs chain line, your BB shell, then find what BB length your cranks want for the chain line that your hub gives you
http://www.sheldonbrown.com/chainline.html