Joined: Jul 2002
Posts: 40,863
Likes: 3,115
From: Sacramento, California, USA
Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur
That picture of chip seal looks pretty good compared to the roads of VeloPromoStan. If that's what you're talking about 26mm will be fine. 28 will feel totally plush.