The offset of a wheel is the distance from the hub mounting surface to the center line of the wheel. The wheel offset is measured in millimeters and results in a positive, negative, or zero offset.
Its going to determine how much of the rim will be pushed out away from the hub.
For example it appears you have a rim with 10 inches in width (or there abouts) So the center of the rim is 5 inches (simple division 1/2 of total width) and the offset is ZERO well then that would mean that the hub would mount right at the middle of the rim and allow 5 inches to be in front of the hub and 5 inches to be behind the hub. Rim manufacturers can place the offset either closer to the hub so that more of the face of the rim sticks out or farther away from the hub so less sticks out.
This becomes a concern as the wheel make "poke" out too much from under the fenders and look odd when looking down the side lines of the vehicle. You will hear guys comment "too much poke"
What they are saying is the rim sticks out way too far to look good.
There is also the concern that if the rim mounts with negative offset then more of the rim in inboard towards the suspension and brake componentry and can interfere of contact those items (commonly shock towers or brake calipers)
Many know that fitment of a 10 inch wide rim on an e30 chassis will require work and may not be possible . Even then you may wind up with way too much poke.
Here is an example of too much poke in the front and rear on a Rabbit (Ignore the stretched tires and just look at the how far the rims protrude from the fender line -draw a "mental" vertical line upwards from the edge of the rim face)
Its going to determine how much of the rim will be pushed out away from the hub.
For example it appears you have a rim with 10 inches in width (or there abouts) So the center of the rim is 5 inches (simple division 1/2 of total width) and the offset is ZERO well then that would mean that the hub would mount right at the middle of the rim and allow 5 inches to be in front of the hub and 5 inches to be behind the hub. Rim manufacturers can place the offset either closer to the hub so that more of the face of the rim sticks out or farther away from the hub so less sticks out.
This becomes a concern as the wheel make "poke" out too much from under the fenders and look odd when looking down the side lines of the vehicle. You will hear guys comment "too much poke"
What they are saying is the rim sticks out way too far to look good.
There is also the concern that if the rim mounts with negative offset then more of the rim in inboard towards the suspension and brake componentry and can interfere of contact those items (commonly shock towers or brake calipers)
Many know that fitment of a 10 inch wide rim on an e30 chassis will require work and may not be possible . Even then you may wind up with way too much poke.
Here is an example of too much poke in the front and rear on a Rabbit (Ignore the stretched tires and just look at the how far the rims protrude from the fender line -draw a "mental" vertical line upwards from the edge of the rim face)
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