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Discussion Starter · #1 ·
Hi all,

I'm playing around with crank designs and looking at machining a set for personal use. The hiccup is that I can't find documentation on any of the direct mount chainring standards. Anyone have a lead on specs for either the RF Cinch or Sram interfaces? Given the ubiquity of 3rd party chainrings, I would have assumed that it's readily available, but like I said, I'm striking out thus far.
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