Schwalbe Delta Cruiser Plus 20 x 1.75 | Perennial Cycle
700x38 Schwalbe Marathon Plus Bike TIRES Flat-Less 28"x1 1/2"Vintage Bicycle 29" | eBay
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