Senior Member
Join Date: Aug 2010
Location: Madison, WI
Posts: 11,550
Bikes: 1961 Ideor, 1966 Perfekt 3 Speed AB Hub, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, 1980s Bianchi Mixte on a trainer. Others are now gone.
On tires, the photos above of my expedition bike, those tires are 57mm wide which works very well on difficult gravel.