Change Pitch Circle Diameter (PCD)

Bolt Circle Diameter (BCD) also
known as Pitch Circle Diameter (PCD)

Many of car the enthutism like to change the wheels of their vehicle up to 2-3 times a year. All kinds of rims in the market today that offers a full range of designs with an appropriate price. Each rim has a different bolt hole, or commonly known as the PCD (pitch circle diameter), mostly in the market have four and five-bolt hole. Usually should be no problem for users of vehicles using the five-hole rim. The problem usually arise with vehicles using four-hole nut because there are three common sizes of PCD in the market that is 100mm, 110mm and 114.3mm.

Normally people will choose the rim based on the shape, diameter, colour and price of the rim. Can or not be fitted with the vehicle it is a second thing. If it can be fitted, then you can enjoy your ride with a new rim on the spot. Otherwise, should be very disappointed!

Actually you can still use different rim PCD into your vehicle. Of cause this will take an extra cost. An easy way with budget around RM200.00, you can use the "PCD converter", which it will convert the PCD, for example from the PCD 100 PCD 110 PCD without changing the original PCD. Meaning that, if you want to convert back to PCD 110 in the future, just remove the PCD converter. This is one example of PCD converter available in the market.

PCD Converter (blue) when attached on wheel hub

PCD Converter

Usually, users of Perodua Kancil (Daihatsu Mira L2, L2S, L5 in Japan) will convert from PCD 110 to 100, to make them easier to find the most appropriate rim for their ride because most of the rims available in the market in size of PCD 100. But the disadvantages of using this converter PCD, it will cause the rims and tires will come off a little from the fender and will eventually lead to bearing damage in long term.

In addition, if you wish to continue using the desired PCD instead of the original one, take out the hub and knuckle, bring it to engineering workshop (Usually metal work or heavy machinery workshop), and tell them what PCD are you desired. In this way, the rim will not be out of the fender. Some people say this method is not safe, but I myself have change my Perodua Kancil’s PCD from 110 to 100 and I have been used it for 7 years until today and no problems encountered so far.
Note: If you change the PCD, do not forget to change the spare tire as well as your stock spare tire no longer can be used for your car.