Having "fast" tires on a bike is often a false economy. A little more drag is something that you can negate simply by having more endurance by riding more. I r

Having "fast" tires on a bike is often a false economy. A little more drag is something that you can negate simply by having more endurance by riding more. I run Schwalbe Mondials w/ tire slime in the tubes, and have never had a flat in hundreds of miles of riding, despite plenty of broken glass, thorns, and staples trying.