Originally Posted by
chaadster
Now, to the question of when does aero benefit overcome a 15% weight penalty, the answer to that is "always." Aero trumps weight, even on hilly courses. The exception to prove the rule would be on a ride which is only a climb, but who does those?
So you feel that the aero advantage of a 38 or 50 rim profile will be more beneficial than 200-300 grams weight savings of a lower profile of say a 22 or 27 for general riding by someone, like me, who is wanting to improve speeds of varied road riding over distances of 30+ miles?