Joined: Jul 2002
Posts: 40,863
Likes: 3,115
From: Sacramento, California, USA
Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur
Most of the "aero" frames are limited to 23mm. For example, the Ridley Noah and Cervelo s5. I don't think it is worth it.