Jon wrote: Wasn't there a version of the Pro 5 Vis that had a larger bolt circle for the second chainring? Somehow in the far dark reaches of my brain there lurks the image of an outer chainring with a bolt
circle that would accomodate perhaps a 40 tooth inner ring, and no smaller. ------------ I think you are correct. I have a set of NOS Double rings, back in storage, that are 52-45, with no inner drilling. Memory may be playing tricks on me, but I doubt it ;-)
Neill Currie, Portland, Me 04102, USA.
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