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Aug. 26, 2020, 10:55 a.m. -  Endur-Bro

You also have to look at his test frame, a G1. Recommended crank length on that frame is 165-170 arms.  Pretty much all the heavy hitter trail bikes for 2021 I’ve looked at are spec’ed with 170mm cranks throughout the size range.  Someone with more time and brains than myself can do the calculations of forces upon a lever in an arc between 165/170/175.

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