More 32++ 700X38 Bike Tires. About 14% of these are bicycle tires, 0% are electric bicycle. C refers to the old french system of classifying wheels according to their bead seat diameter. 38 is the width of the tire (as seen if you were looking at your bike from the front/back). Schwinn replacement bike tire, multiple bike styles. 700X38 Bike Tires - 700x38 All Road Tires Kenda K189 Topline Combo W Tubes Rim Strips Youtube Shop bontrager for road, hybrid, and mountain bike tires to upgrade the traction and ride feel of your bike.