Join Date: Dec 2009
Location: Chicago SW burbs
Bikes: 2 many 2 fit here
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Quick calculation reveals that the pitch diameter of 26T is approximately 105mm. You probably need about 12.5mm between the pitch dia and the bolt circle, so I estimate the maximum BCD for 26T is around 80mm. By the same token, I estimate 36T is about the smallest you can go with 122mm BCD. That is in rough agreement with comments above.
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Last edited by old's'cool; 01-08-12 at 10:56 AM.