View Full Version : Offset??
Jus want to up my knowledge of things
I know this has come up 100 times probably before on here, but can ye explain offset on alloys to me, i have an idea but am not fully sure.
I know a negative offset is good, but wat way does it exactly work...
Thanks in advance lads
Scamper
http://www.minimania.com/imagesbig/wheel%20offset.jpg
http://www.gtsparkplugs.com/images/WheelOffset5.gif
offset is where your wheel is mounted onto your hub, your centre of your wheel is et0, left of that is positve and right of the centre would be negative, thats why negative is good, negative offset would be in big dishy wheels, thats it i think, corect me if im wrong someone
Administrator
04-07-10, 22:26
offset is where your wheel is mounted onto your hub, your centre of your wheel is et0, left of that is positve and right of the centre would be negative, thats why negative is good, negative offset would be in big dishy wheels, thats it i think, corect me if im wrong someone
Kind of. My negative offset wheels have less dish than my positive offset ones, because the positive offset wheels are wider..
The bottom diagram explains best though I think. Or go searching again Scamp ;)
So would et25 on front and et30 on rear be dishy or not so???
obriener2054
05-07-10, 11:58
So would et25 on front and et30 on rear be dishy or not so???
Then it will depend on the widt
think of the wheel hub mating against the wheel right in the centre of it
if it were a 10" wheel that would leave 5" either side of the hub
if the spokes were say 2" then the dish would be 3"
Now think of your offset being 1" (mm usually) this would leave 4" and not 5" of the wheel having room for the 2" spokes as the wheels centre is pushed in an inch closer to the middle of the car
so then your dish is now 2"
Administrator
05-07-10, 12:14
So would et25 on front and et30 on rear be dishy or not so???
Depends on the width. If they are 7 inches wide obviously they'll have fuck all dish compared to a 10 inch wide wheel. Also depends on spoke design and shit
What wheels are they? What width are they? What do you class as "dishy"?!
nikkisixx69
05-07-10, 15:46
Depends on the width. If they are 7 inches wide obviously they'll have fuck all dish compared to a 10 inch wide wheel. Also depends on spoke design and shit
What wheels are they? What width are they? What do you class as "dishy"?!
and also if the person bought a hi disk, low disk or super low dish model! ive seen some ssr sp1's with low low offsets but fuck all dish!
Have a wee read of this (http://www.1010tires.com/tech.asp?type=wheels#offset) it should help ya out, there is also a calculator as well here (http://www.1010tires.com/WheelOffsetCalculator.asp).
Rory
Thanks lads, got the idea now!
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