Originally Posted by
Moisture
80, 90, 100, even up to 120 are all "normal' stem lengths for a road bike.
But if you scan the pro peloton, they all have Much longer stems ... so they can have smaller, stiffer, lighter frames. Just because a lot of bikes have stems of a standard length doesn't mean those are the "right" lengths ... I mean, most bikes sold are 54-, 56- , or 58-cm frames .....