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Old 10-25-10, 10:08 AM
  #19  
Hangtownmatt
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Originally Posted by DannoXYZ
You don't need to replace the big-ring really, just leave that. Measure the inner ring and see what BCD is, then get the smallest ring that'll fit that crank.
The smaller ring is a 110mm by my measurement unless it's some weirdo proprietary Sugino size and I'm off by some fraction of a mm. It looks like the smallest 110 ring I can get is a 34T. Is it mechanically feasible to shift from a 52T big ring to a 34T small ring? 18 teeth?

I'm still hoping someone can answer my question regarding the BCD of the 52T large ring. I'd really like to reduce this to a 48 or 46 tooth.
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