Join Date: Oct 2004
Bikes: iro mark v 48x16 or 15 i think (fixed), surly 1x1 32x16 (free)
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how to measure bolt circle on chain ring?
i bought a campy chainring at the swap meet today here in minneapolis, but didn't buy cranks because i couldn't find any 165s. now i've got this chain ring and i'm sleuthing around on the internet, but have no idea what size the bolt circle is or which cranks are going to be compatible with it. if worse come to worse i can bring it into the shop and see what they have that might fit it, and hope that someone says, "oh, that's clearly the blah blah blah", but i thought i'd check here first.