Originally Posted by Stubacca
38/10 = 97 gear inches. With a 26x2.1 tire, 75rpm = about 22mph and 100rpm = about 29mph. If I were you, rather than trying to get a 10-tooth cog on there, I'd look at getting a 42 or 44 tooth large chainring.
Triple gone single, I would touch the frame with a 40, went 38 instead. Thanks for the conversion. 29 mph will be fine

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