Utah Trikes - Schwalbe Marathon Plus Tour 26x1.75 (47-559) HS404 Tire
Schwalbe Marathon Tire, 47-622 (700 x 45c) - Clever Cycles
Amazon.com : Schwalbe - Marathon Plus Tour Off Road and Touring Wire Clincher Bike Tire | 26 x 2 | Performance Line | Black/Reflective : Bike Tires : Sports & Outdoors