Most of us had a chance to see rim markings. Given example "7.5Jx16H2 ET35" refers to the rim of 7,5 inches width, 16 inches diameter and 35mm offset. Other markings respectively are: J – rim flange contour and H2 – hump profile. Humps design marking is generally located at the end of other alphanumeric symbols. To get desired rim stiffness manufacturers implemented humps. There are few different patterns for different rims.
