To assure correct fitting, correct replacement wheel size, dimension and load-carrying capability are serious. Invariably consult the wheel manufacturer/distributor’s literature to verify that the specified wheel is an up to standard application for the vehicle. Making use of wheels of various sizes might also cause harm to your vehicle. Make sure to use an equivalent size and sort of tires on all wheels. Consistent with RMA tips, there’s risk in putting in a tire of one rim diameter on a rim of a unique rim diameter. Invariably replace a tire on a rim with another tire of simply the same rim diameter designation and suffix letters.

The following are numerous high performance wheel measurements that play a very important part in deciding wheel fitment and sizes:

Wheel backspace

Wheel Offset

Bolt Circle

Hub-Centricity vs. Lug-Centricity

UTQG (Uniform Tire Quality Grading) labelling system


Width is important to reassuring client satisfaction and pleasure. Besides correct fitting, dimension of wheel and tire additionally influences handling and ride quality. Invariably select a rim width at intervals the range of the tire’s acceptable rim width specifications. A wider rim raises transport stability, steering response and cornering ability. A rule of thumb is to use a rim dimension 90th as wide as the tread width (not section width) of a performance tire for street applications. This provides a superb balance between performance and ride quality. Continuously make sure that the chosen rim dimension is inside the tire’s range of acceptable rim width specifications. A slender rim would lead to an improvement in ride quality, however may forgo the tire’s final performance capabilities. A mid-range rim width provides a balance between handling capabilities and ride quality.


An example of a correct application would be to use a 15″ x 6″ wheel for a 205/70VR15 tire. Ne’er attempt to combine mill metric wheels and tires with standard inch wheels and tires. An improper application would be mounting a 200/60R390 size tire on any 15″ wheel.


A 390mm tire is intended to fit on a wheel with a diameter of roughly 15.35″ with a non-standard bead seat. Reading your tire’s sidewall is a must anytime tires are mounted on wheels. Invariably confine mind that a correct and correct size of the wheels and tires develop each the performance and appearance of your vehicle and your life depends on some square inches of rubber after you drive your automobile or truck.

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