What does JJ mean on rims?
Helpful Expert Reply: The “JJ” that you mentioned finding on the wheel size listed for the units mounted to your trailer refer to the contour of the bead seat on the wheel, essentially its shape ( “J” indicates the shape of the letter J).
What is the difference between J and JJ in a wheel rim flange?
Wheel/Rim designation contains some letters for marking the shape of the rim flanges where the tire sits on the rim. J rim contour has 17.5 mm high rim flange but B has only a 14 mm. JJ designation is most common on 4×4 and SUV vehicles.
What does 16x7jj mean?
16x7jj and that means 16 inch rim by 7 inch wide.
What does dot mean on a rim?
But where can you find it and what do the letters and numbers mean? The “DOT” symbol certifies the tire manufacturer’s compliance with the U.S. Department of Transportation (DOT) National Highway Traffic Safety Administration (NHTSA) tire safety standards.
What size tyre fits a 7J rim?
Equivalency table
| Rim width | Minimum tyre width | Maximum tyre width |
|---|---|---|
| 6,5 Inches | 185 mm | 215 mm |
| 7,0 Inches | 195 mm | 225 mm |
| 7,5 Inches | 205 mm | 235 mm |
| 8,0 Inches | 215 mm | 245 mm |
What size TYRE fits a 7J rim?
What makes a wheel DOT approved?
The wheel load is determined by taking 50% of the heaviest axle rating of the vehicle (GAWR – gross axle weight rating). The symbol “DOT” constituting a certification by the manufacturer of the rim that the rim complies with all applicable vehicle safety standards.
What does 7J mean on alloys?
The wheels width is usually written beside the flange shape marking – e.g: 7j, 7.5j, 8.0j. The width of the wheel is basically the area shown on the photo above and it is measured in inches. In other words, the bigger the number, the “thicker” your wheels are.