understanding ET - Simplified

[mwarner87]

can some help me and explain ET?

cheers

[Torq-Al]

http://en.wikipedia.org/wiki/Offset_(wheel)

[Bepe]

basically the lower the ET number the further out the arch it will stick, eg say a standard wheel on a mk5 polo is ET 37 then you buy some alloys that are ET 30 then they will stick out 7mm more then the standard wheels, hope it helps