What does J mean in rim size?
tyre bead profile
The letter “J” means a tyre bead profile. This is the marking used to define the wheel collar profile you should never ignore. Wheel collars and tyres must be compatible.
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 8jj mean?
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.
What do the numbers on a rim mean?
What do rim size numbers mean? This number represents the distance between the two bead seat areas where the tire is sealed onto the wheel. The wheel size also includes its width and offset. The width is the distance from each bead seat (from inside to the outside).
How do you read a rim code?
Using 235/55R18 as an example, 235 is the tread width in millimeters. The higher that first number, the wider the tire. The 55 is the height of the tire expressed as a percentage of the width we just saw. The lower this number, the shorter and more aggressively the tire sits on the wheel.
What does JJ stand for in rims?
asked by: Dale. 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 J type rim?
J is the most common shape of a rim flange on passenger cars. The letter B appears at the smallest wheel sizes primarily for older car models, with diameters 12″ and 13″ and rim widths up to 5.0″. 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 8.5 J mean on a wheel?
The format for typical alloy wheel measurement for example is 20 x 8.5J, where 20 stands for wheel diameter and 8.5J is the wheel width.
What does rim JJ mean?
JJ refers to the contour of the bead seat on the wheel, essentially its shape ( “J” indicates the shape of the letter J).
What does 17x7JJ mean?
17x7JJ simply means the wheel is 17 inches in diameter by 7 inches wide. You’ll have to look at the specific tires you are getting, but most 215-225mm tires have an acceptable rim width anywhere from 6-8 inches.
How do you read rim numbers?
How To Understand Wheel Specs – YouTube
How do I identify my rims?
Rim markings decoding Hints from Oponeo™ – YouTube
How do I find my rim number?
The serial number for your wheels can be found inside the rim (under your rim tape). The serial is the seven digit number that typically starts with a “1” or “2”. Fun fact, usually the first 2 digits are the year in which it was manufactured.
How wide of a tire can I fit on a 8 inch rim?
Equivalency table
| Rim width | Minimum tire width | Maximum tire width |
|---|---|---|
| 7,0 Inches | 195 mm | 225 mm |
| 7,5 Inches | 205 mm | 235 mm |
| 8,0 Inches | 215 mm | 245 mm |
| 8,5 Inches | 225 mm | 255 mm |
What does H2 mean on wheels?
the wheel hump
What does H2 mean? This markings stands for the wheel hump, it usually appears at the very end of the wheel markings. It corresponds to the rigidity of the wheel. There are several wheel humps out there.
What does J and JJ mean in wheels?
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 does 6J mean on wheels?
6 ½ Inner width of wheel in inches (6 ½ x 25.4mm= 152.4mm). J. Indicates the shape of the wheel on the place where the tyre bead sits on the wheel.
What is the widest tire for a 8.5 inch rim?
255 is the max width recommended (by any tire manufacturer I’ve seen) for an 8.5″ rim.
What size tire will fit on a 8.5 inch wide rim?
Equivalency table
| Rim width | Minimum tire width | Ideal tire width |
|---|---|---|
| 8,0 Inches | 215 mm | 225 or 235 mm |
| 8,5 Inches | 225 mm | 235 or 245 mm |
| 9,0 Inches | 235 mm | 245 or 255 mm |
| 9,5 Inches | 245 mm | 255 or 265 mm |
What does H2 mean on a wheel?
What does H2 mean? This markings stands for the wheel hump, it usually appears at the very end of the wheel markings. It corresponds to the rigidity of the wheel.
What does 18x8J mean?
J: this is the width of the wheel from inner to outer rim in inches. so an 18x8J is 18 inches in diameter of course and 8 inches from inner to outer rim.
How do I check my rim specs?
What do the 3 numbers mean on tire size?
B: TIRE WIDTH The three-digit number following the letter is the tire’s width (from side to side, looking at the tire head on) in millimeters. This may also be referred to as the section width. C: ASPECT RATIO The forward slash separates the tire width number from the two-digit aspect ratio.
How do you read rim size?
What is the widest tire for 8 inch rim?