For those who make changes to the vehicle, must replace the standard rims or congenital, the model is more stylish or sporty. However, most only know the ring of size 15, 16, and 19 inch.
In fact, there are several terms on the rim like PCD or offset is also worth to note further. This is necessary in order to remain comfortable despite wearing racing rim, and more importantly a matter of safety.
Some people perform changes on the rims. Rims of the easiest ways to boost performance, but well first ask the experts, or must not put up.
Following decomposition of important terms on the rims:
PCD (Pitch Circle Diameter)
Size related to the diameter of the wheel bolt pattern. Measurement by taking the straightest point of each wheel bolt holes. For example, 4 bolts that measured between opposite points and millimeters.
If there are 5 bolts, PCD withdrawal line between two points on the existing bolt holes in the wheel bolt holes across the drawn size. From the size of it, the figures obtained most standard 100 mm for most cars. Then he called 100 To PCD PCD size MPV model is 114.3 mm. While a small sedan and a hatchback, air-PCD 100 and 139.7 SUV.
Offset
Indicates how much of the surface of the rim protrudes into the middle or to the outside. It was marked with the figure number plus code nicknamed ET. Such- ET25, ET45, and so on. The smaller the number, the cross-section of the middle of the rim increasingly celong into the wide rim and lip.
when mounted, so getting to the rim outer fender. Conversely, the larger the number, the more central cross section to the outside of the rim lip, meaning the position of the rim into the fenders.
To change the offset applications, it can be tricked by using an adapter. But remember, this can only be acted constructed rims for 2 to 3 pieces. It should be noted the accuracy of the calculations. Bad effects, but can make gesrot, Shockbreaker bowl and deck in the eroded cartilage wheel. Finally, the legs were so vulnerable to damage.
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