bwillson from Irving on 10/13/2017 11:45:08 AM:
My wife and I just completed the GAP and C&O about 2 weeks ago with no flats. Back in March we invested in Kevlar lined tires, Swhalbe Marathon tires. We have logged, with the GAP/C&O trip, almost 1800 miles with no flats. These tires are an investment, but well worth it in our opinion