Originally Posted by erader
probably give you a sore neck. grant petersen (rivenedell) says a stem shorter by about 2.5cm is preferable when swapping from drop to moustache.
Hmm... sounds like the thing to do is take some measurements of the bike in question, and my "good", more-comfortable, bike and compare. If it turns out that the current stem is about 2.5 cm too short, then I have a plan.