wheel guide pcd/offset

[>>CHOP<<]

PCD         RASCAL/supercarry PCD = 114.3mm


The term PCD stands for (pitch circle diameter) and is the diameter of a circle drawn through the centre of your wheels bolt holes. or the diagonal measurment of the widest bolt holes.  PCD is measured in millimetres and also indicates the number of studs or bolts the wheel will have.

One of the most common fitment has 4 studs and a PCD of 100mm, hence the fitment 4x100.



OFFSET(ET)        Rascal/supercarry offset = 18mm

The offset or (et) is the measurement taken from the fixing face of the wheel to its true center
as in the diagram below..




CENTER BORE (spiggot)          Rascal/supercarry = 60.1mm
Also just to touch on center bore or (spiggot size) the spigot is the bit in the centre of the hub that you rest the inside centre of the wheel on whilst aligning the studs and screwing back the wheel nuts. On generic after market wheels, the spigot hole inside the wheels is a lot bigger than the spigot on the car. So what you need to do in this case is fit spigot locating rings. These are just rings of aluminium or hard plastic, that fit over the spigot on your car and then have a proper fit with the spigot hole on the wheel. If you don't have the spigot taking all the weight of the car, chances are you'll break one or more studs when you drive the car hard or have to brake hard.

Remember the wheel nuts are simply there to hold the wheel on, NOT support the weight of the car. Also, as there is nothing to centre the wheel, you'll notice the wheels go in and out of balance because as you drive around, they'll move around on the hub.

[Richard]

Glad you cleared that up, always thought it stood for pitch centre diameter.

[>>CHOP<<]

OH and just remember ...when choosing wheels ...to get a set of wheels the same overall size (diameter)as the original wheels otherwise your speedo will be incorrect..also you can still use one of the old wheels as a spare..

so if you incease the wheel rim size reduce the tyre profile to match original diameter

in my experience ...the maximum backspace from the mating face of the wheel to the inside wall of the tyre is 110mm...

also any wider than 175 and it will protrude beyond the arch (bodywork)..some testers will allow a little ...but some others just wont allow it at all....

[iow tom]

so which alloys would fit a rascal? thanks

[J J 007]

some suzuki swift wheels some older hyundai look under previous wheel post for pcd then go to pcd chart but any you want to buy try them on the front first thats where you will get a problem on suspension leg,pcd for ours is 114.3