700x35c Tube,700x38c Inner Tube,Bike Inner Tube 700X38C/35C/40C/43C with Rim Strips and Tire Levers- Schrader Valve 48MM/33MM - 2 Pack 48mm Valve
The tire of my bicycle has the size printed as “40-622 (700x38C)”. All the websites I've seen so far say that 700x38C is equivalent to 38-622. What does this mean, and what