ETRTO |
INCH |
FRENCH |
|
The ETRTO size designation (e.g. 40-622) indicates the width (40 mm) and the inner diameter of the tire (622 mm). |
The inch designation (e.g. 28 x 1.50) indicates the approximate outer diameter (28 inches) and the tire width (1.50 inches). |
The French size designation (e.g. 700 x 38C) indicates the approximate outer diameter (700 mm) and the tire width (38 mm). |