What is JJ in 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 does 7 JJ mean on a wheel?

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 is the difference between J and JJ rims?

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 4x4 and SUV vehicles.

How do you read a JJ rim size?

What does 6.5 J mean on wheels?

When you're looking into the sizing of alloys you'll see it shown like this: 15 x 6.5J. The first half (15) is your wheel diameter, simple enough, while the second half (the 6.5J) is the wheel width. By width we mean the section between the mounting flanges on the wheel.

German Habshi New Rims?| Pcd , JJ , Offset

What is J in alloy wheel?

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 et35 offset?

It is referring to the offset

The offset is described by the term ET, which is from the German word 'Einpresstiefe' translated as 'insertion depth'. Most wheels have a positive offset which means the mounting surface is further outboard than the wheels centre.

Why is a drop center wheel commonly used?

The wheel rim drop center enables technicians to more conveniently install and remove the tire from the rim. Safety ridges, or bead look ridges, are located behind the tire bead. These help keep the beads from moving and disengaging the tire from the rim in the event of a blowout.

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.

Is the offset stamped on rims?

Nearly every wheel has the offset stamped on it somewhere, usually ingraved on the wheel as a part of the wheel markings (e.g., 6½ J x 15 H2 5/112 ET39 - ET39 means 39mm offset) and its measurement unit is millimeter (mm). The wheel offset can have zero, positive or negative value.

What does ET38 offset mean?

What do wheel offset numbers mean? Offset is expressed as an ET number, (ie is ET38) and the 'ET' is a shortened version of the German word 'Einpresstiefe' which means 'insertion depth. ' The number is the distance in millimetres between the centre line and the mounting surface.

Does ET matter on wheels?

In practice, the ET-value is the number in millimetres that the centre line of the wheel deviates from the mounting surface (on the wheel hub). As a rule of thumb: the higher the ET, the more a wheel is positioned inwards; the lower the ET, the more a wheel protrudes outwards.

Is ET positive or negative offset?

Most front wheel drive vehicles have positive ET wheels. Zero Offset wheels have their mounting face even with the center line of the wheel and are by definition “ET 0″. Negative Offset wheels have their mounting face toward the rear of the wheel – powerful rear-wheel drive cars often have wheels with negative offset.

What's the difference between 35 and 45 offset?

Stock offset is +45. The difference would be that the aftermarket wheel is 1-1/2" wider than stock. That would poke out 3/4" further than stock. The +35 would poke out another 4/10" beyond that setup.

Can you fit 225 tyres on 7j rims?

The rule of thumb is the rim needs to be 90% of the tyre width with a +/- 1/2in leeway either side. So a 225 should ideally be on an 8in rim but 7.5in or 8.5in would be OK.

What does H2 mean on wheels?

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 195r15c mean?

195 / R15 C is the tyre size. 195 is the maximum width of the tyre in milimetres(mm). When the vehicle is fully loaded its width can expand maximum upto 195 milimetres(mm). x is the ratio among width and height of the tyre from its rim. it means that the height of the tyre is precisely x% of the 195mm.

What size is 195r15c?

195R15 Conversion

When converted to inches, 195R15 is equivalent to 27.3x7. 7R15. 195R15 tire has a section width of 7.7 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 15 inches represents the size of the wheel the tire can be mounted on.