How to read the wheel markings? » Oponeo.co.uk
Wheel markings explained. To better illustrate the meaning of the markings, let's take a look at the following example: "7.5Jx16H2 ET35.". In this case: 7.5 is the wheel size, meaning it is 7.5 inches wide (1 inch = 25.4mm) 16 is the wheel diameter, also expressed in inches. ET35 is the offset - the distance of the hub mounting surface to the ...