"Jeff knows his stuff and he can get just about anything. We've been very pleased with the Marathons so far: about 300 tandem miles over varying roads. Zero problems. They are slightly heavier than the old tires and I can feel…"
"My three-speed has had the same pair of kevlar-belted Specialized tires for ten years. Never a flat while riding all over Boston through the usual crud on streets and occasional glass. You do have to avoid the big shards, though. …"