I’m using a road bike with clip-on aero bars and have changed the bike to more of a TT setup to allow for the aero position. Seat foreward and up, 165mm cranks instead of 172,5 and a longer stem.
When riding in the TT position however, I feel my quads are getting significantly more work versus riding at the same power but more upright.
Can anyone explain me why this is the case? Is it inherent for a TT position, or maybe a lack of flexibility, or wrong bike fit?