Interbike 2010: New Cyclocross Tires from Schwalbe, Challenge and Hutchinson - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
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Amazon.com : SCHWALBE 700X33 Racing Ralph HT EVO Tubular 30-85 PSI, 395 Grams (Bike Tires) : Bike Tires : Sports & Outdoors
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