What are JWL rims?
“JWL” (Japan Light Wheel Alloy) is a compilation of standards defined by the Japanese Government to ensure the vehicle’s safety for aluminum road wheels. Every wheel put to market must be tested to meet JWL standards before a wheel can be put out to market in Japan.
What does JJ mean on a rim?
“JJ” refers to the shape of the wheel’s flange (lip which holds the bead of the tire). JJ = 18.0mm high x 13.0mm wide, with a 13.0mm radius. J = 17.5mm high x 13.0mm wide, with a 9.0mm radius.
What is J and JJ in wheels?
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.
Are aluminum wheels any good?
Aluminum Alloy Wheels They are lightweight but strong, withstand heat well and are generally more attractive than steel wheels. They come in a very wide variety of finishes and sizes. Aluminum wheels are a good choice for a balance of performance, cost, aesthetics, and gas mileage.
What is JWL equation of state?
The JWL equation of state (EOS) is frequently used for the products (and sometimes reactants) of a high explosive (HE). Here we review and systematically derive important properties. The JWL EOS is of the Mie-Grueneisen form with a constant Grueneisen coefficient and a constants specific heat.
How can I tell if my apex wheels are real?
Only wheels that have been registered by the VIA can use their official logo, which is commonly stamped or machined into a wheel’s face. Unfortunately, many wheel manufacturers claim to be VIA and they put the logo on the wheels they sell, even though the VIA never tested or registered them.
What is 7J rim size?
Rim Size. The rim labelling indicates the width in the first place as well. In 7J x 17 H2 ET38, 5×112 LK it is 7 inches. Now you have to know that a rim of this width fits on a tyre with a width of 195 to 225 mm.
What does 7 JJ mean on a wheel?
JJ is the industry standard for rim width measurements. For example, if a rim size is stated as 18×7 JJ, the first number (18) is the diameter of the wheel in inches and the second number (7) is the width of the wheel in inches. The “JJ” simply means that this is the width measurement used by automakers.
What does et40 mean 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.
What is JJ rim size?
Do aluminum wheels save gas?
Aluminum comes with a lower cost of ownership. By dropping upwards of a hundred pounds of hauling weight, any vehicle will enjoy better gas mileage with aluminum wheels installed. Vehicles with aluminum wheels have better stopping and starting capabilities- a serious consideration in performance cars.