Joined: Feb 2005
Posts: 13,560
Likes: 44
From: Milledgeville, Georgia
Bikes: 2018 Black Mountain Cycles MCD,2017 Advocate Cycles Seldom Seen Drop Bar, 2017 Niner Jet 9 Alloy, 2015 Zukas custom road, 2003 KHS Milano Tandem, 1986 Nishiki Cadence rigid MTB, 1980ish Fuji S-12S
I have run the tube version of the Roubaix Pro 30/32 tires quite a bit on smooth gravel at 60 rear and 45 front with no flats. I weigh 165 lbs and I tend to ride light.