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Nov. 22, 2022, 5:34 p.m. -  Dave Tolnai

According to Wolf Tooth, the diameter of a 32 tooth is 136.1mm vs 128.0mm for a 30 tooth.  If that 4 mm (diameter/2) change in chain location has a dramatic impact on pedaling performance, I'd be surprised.  I guess that you could say the same thing about the impact on my ability to pedal the bike up a hill, but I know that 2 teeth is going to let me run one harder cog (for the most part) and pull me out of the bail out gear unless it is absolutely necessary.  The longer travel the bike, the more important I feel this is. [https://www.wolftoothcomponents.com/pages/chainring-diameter-by-tooth-count](https://www.wolftoothcomponents.com/pages/chainring-diameter-by-tooth-count)

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