On 03/04/13 04:13, Jim Thill - Hiawatha Cyclery wrote:
I believe our perceptions are altered by the unnaturally narrow selection of
crank options. In this world, 170 is the middle; 175 is long; and 165 is short.
That is equivalent to mosf bikes being available in 55, 56, and 57 cm frame
sizes. Something for everybody!
Leonard Zinn has a bit of a bee in his bonnet about crank length, and
offers cranks in lengths from 130mm to 220mm:
http://zinncycles.com/Zinn/index.php/components/custom-cranks.
According to his formula my optimal crank length should be 185mm.
However, after almost 40 years of riding on 170mm cranks, and having
almost a dozen bikes with that length of crank on them, I don't think
I'll be bothering to change.
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