I am now curious as to exactly where the "80-120" rule came from. Cycling News has a running feature on pro bikes (in which they obsessively detail the componentry and measurements of a given pro's bike, as well as giving the rider's height and weight). A very large number of pro's seem to run stems between 120 -- 140... and not all of the 130s & 140s are being run by big guys on big frames either. Interesting...



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