# Thread: Please correct me if I'm wrong.

1. I have in mind the exact fitment I want from down to the width and et of the wheel. The wheel is three piece. If I got a set of the same wheel but the offset and width were different, couldn't I just change the barrel size and lips to make the offset and width that I wanted, basically?

I could be completely wrong, if so, feel free to admit verbal abuse.

2. As long as the starting or ending offset aren't anything extreme, then what you're saying is correct. When dealing with 0 or negative ETs or an ET over 65, a lot of the time the face itself with have a drastic convex or concave appearance.

3. Imagine the face of the wheel is fixed. Changing the barrel only dictates how much more clearance you will have between the wheel and the strut (let's say). Changing the lip dictates how far the lip sits beyond/close to the fender.

You can only change your offsets in increments of ~6.35mm when swapping lips and barrels, assuming you're buying OTC lips and barrels (which most are sold in increments of 0.5").

4. Originally Posted by DoctorDoctor
Imagine the face of the wheel is fixed. Changing the barrel only dictates how much more clearance you will have between the wheel and the strut (let's say). Changing the lip dictates how far the lip sits beyond/close to the fender.

You can only change your offsets in increments of ~6.35mm when swapping lips and barrels, assuming you're buying OTC lips and barrels (which most are sold in increments of 0.5").
How can you only change your offset in increments of 6.35mm? I don't understand how you got that number.

5. Originally Posted by F-word
How can you only change your offset in increments of 6.35mm? I don't understand how you got that number.
Offset is the distance from the midline of the wheel to the hub mounting surface. It therefore increases or decreases half of the corresponding change in width. 6.35mm equals 1/4", which as mentioned is the smallest interval you can go up or down with for barrels and lips.

6. Originally Posted by F-word
How can you only change your offset in increments of 6.35mm? I don't understand how you got that number.
becasue a half an inch is roughly 12.7mm thus you would half that giving you the 6.35 either up or down depending on where you add the 1/2 incraments if its to the lip you would change the offset from say 35mm to 29.65 if you added it to the barrell it would be 41.35

7. Originally Posted by JettaGT8V80
becasue a half an inch is roughly 12.7mm thus you would half that giving you the 6.35 either up or down depending on where you add the 1/2 incraments if its to the lip you would change the offset from say 35mm to 29.65 if you added it to the barrell it would be 41.35
Ohhh, I got it now. I was having trouble understanding when everyone else was explaining. Thanks.

8. Anyone know if I can install 235-50-17 tires on my 03 24v GTI (stock 5 spoke aluminum wheels) and still be able to clear the struts?
If not, how tall/wide can I go?
225-50-17, 225-55-17???
Thx!!

9. Those tire sizes are much too big.

Correct size is 225/45/17.

10. I had 235/45/17 on my Jetta, lowered the fenders are at 22 1/2" in front and they only rubbed the fenders on bumps and hard cornering. Aside of that they were fine.

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