ohanacreek
My EcoBoost has I4WD
Moderator
Lifetime Member
Correct lug pattern, 10mm is 4/3 offset. Not sure what factory offset is.
Got a link? I have ITP wheels and dont recall them ever describing the offset in MM.
It's a Craigslist add for ITP series C type 7 polished. Not sure if that helps. Thanks!
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Update
It looks like the back says +10, these are 7" with 2.5" offset he said they came off a Rincon. Does that help?
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Sorry, I got nothin. I guess you can measure from the bead to the rim surface on both sides and see what they are..5+2 or 4+3 I think were the option if I remember.
G
Looks like a 3+5? Would you agree? Would these be a good choice with stock wheels for now until I upgrade? I can get a good price on them.
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rocmar
Where Eagles & Angels....Dare to Fly...
Lifetime Member
Me either...10mm....?
5+2.......4+3......is wat
I've went by...
I'm not a tire guy...
Might be a new...way of
description. ...
I'm all ears...if someone wants
....or can explain
...Learning new tech....
lee
Village Idiot
Lifetime Member
Club Contributor
In the auto wheel industry 'offset' is the standard method to spec out a wheel.
In the after market for cars and trucks they often use backset or back spacing.
The whole 5+2 etc thing is a go cart / ATC thing.
Offset is the measurement from the center of the tire to the mounting face of the hub.
If the styling face of the wheel is thicker than the back side it dosent have any impact, the center of the tire is set from the face the tire bead sets up against.
The difficulty with this method is it can be hard to measure the actual wheel to find the tire center which is an imaginary plane in space - you can not hook a tape measure on it.
Back spacing is the distance from the hub mounting face to the inside bead face of the tire.
It is a little easyer to measure and with some simple math you can calculate it in your head (you have to account for the thickness of the inner bead seat area).
The problem is people take short cuts and simply measure from the back edge of the wheel and this gives an inaccurate definition of the part.
The 5+2 nomenclature is a short cut that does not tell the whole.story.
it came about from making wheels from 2 bell shaped halves.
The 1st number is the depth of the outer bell, the 2nd number the depth of the inner bell.
This is an easy to make way to do wheels.
The problem is without the thickness of the material you do not know where the hub mounting face is.
So, a 10mm offset isngoingnto have the hub mounting face 10mm closer to the front as measured from the tire center line.
This will be close to a 3+4 (with out knowing all the details).
In the after market for cars and trucks they often use backset or back spacing.
The whole 5+2 etc thing is a go cart / ATC thing.
Offset is the measurement from the center of the tire to the mounting face of the hub.
If the styling face of the wheel is thicker than the back side it dosent have any impact, the center of the tire is set from the face the tire bead sets up against.
The difficulty with this method is it can be hard to measure the actual wheel to find the tire center which is an imaginary plane in space - you can not hook a tape measure on it.
Back spacing is the distance from the hub mounting face to the inside bead face of the tire.
It is a little easyer to measure and with some simple math you can calculate it in your head (you have to account for the thickness of the inner bead seat area).
The problem is people take short cuts and simply measure from the back edge of the wheel and this gives an inaccurate definition of the part.
The 5+2 nomenclature is a short cut that does not tell the whole.story.
it came about from making wheels from 2 bell shaped halves.
The 1st number is the depth of the outer bell, the 2nd number the depth of the inner bell.
This is an easy to make way to do wheels.
The problem is without the thickness of the material you do not know where the hub mounting face is.
So, a 10mm offset isngoingnto have the hub mounting face 10mm closer to the front as measured from the tire center line.
This will be close to a 3+4 (with out knowing all the details).
T
So after much research a +10mm offset is a 4+3. See below. That being said is this a good choice for our P5's?
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rocmar
Where Eagles & Angels....Dare to Fly...
Lifetime Member
Alot of riders...going with 4+3
.....I'm using 5+2.....with 2"spacers...
im.....58"....wide in rear
57"+.....in front...
very
stable....
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