What is the meaning of J on the wheel?
Rim Specifications Roses Nominal Width Code Wheel Height Code Rim Structure Code Code = Rim Nominal Diameter Code and Rim Profile Type Symbol to represent together. The nominal width of the rim and the value of the nominal diameter code are in inches (when the new design tire is in mm, the diameter of the rim is indicated by mm). The symbol "X" indicates that the rim is a one-piece rim, and the symbol "one" indicates that the rim is a two-piece or two-piece multi-piece rim. The Latin alphabet after the nominal width of the rim represents the contour (E, F, J, JJ, KB, L, V, etc.) of the rim. Some types of rims (such as flat bottom rims), the nominal width of the code also represents the contour of the rim, no longer with letters. The last code indicates the rim profile type.
No specific meaning, is the same with the name of people, but in a few letters when the arrangement is often representative of the height of the changes in the rim