Hello. 
Stupid question of the day:
How does one measure wheel size?
For example take this random wheel:
When measuring width, where does one begin to measure?
At the very outer edges, or inside the edges, or inside the wheel where the tire slides in?
Same thing with height ... does one measure from tip to tip, and if soar the outer or inner part of the wheel, or inside the wheel?
I know I'm probably not explaining this right but I'm sitting here looking at a spare, I can't make out the part number, I'm trying to measure it, and I can come up with too many variations, some of which I know are too big to be the actual wheel size.
Help.
Stupid question of the day:
How does one measure wheel size?
For example take this random wheel:
When measuring width, where does one begin to measure?
At the very outer edges, or inside the edges, or inside the wheel where the tire slides in?
Same thing with height ... does one measure from tip to tip, and if soar the outer or inner part of the wheel, or inside the wheel?
I know I'm probably not explaining this right but I'm sitting here looking at a spare, I can't make out the part number, I'm trying to measure it, and I can come up with too many variations, some of which I know are too big to be the actual wheel size.
Help.
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