Quote Originally Posted by mountainpics View Post
I think she felt too upright on the Trek because the head tube was 15.5 cm (compared to 14 on the Diva) AND the stem on the Trek had a significant rise. You're right about a smaller top tube giving a more upright ride, but 5mm shorter won't make much difference, although the shorter head tube and no or negative rise stem will make a big difference, so I think I'll be ok.
1.5 cm difference in head tube height plus different stem adjustment sounds right to me, even with .5cm difference in TT length. Congrats (to your girlfriend) on her new ride!