This might sound like a silly question, but....
I know how 'standard' tyres are sized, eg 215/50/17
How are tyres marked 30 9.5 15 measured?
Now, I know it's not rocket science, and an assumption would be the 30 is overall diameter (in inches), the 9.5 would be the tyre width, and the 15 is rim size.
BUT, if I measure my tyres, with the above size, it isn't 30 inches tall, it's only 28(and a little bit)...
I've also measured a 31 10.5 15, and that was just under 30 inches,,
Mmmmm
What's going on?!?
Dave
I know how 'standard' tyres are sized, eg 215/50/17
How are tyres marked 30 9.5 15 measured?
Now, I know it's not rocket science, and an assumption would be the 30 is overall diameter (in inches), the 9.5 would be the tyre width, and the 15 is rim size.
BUT, if I measure my tyres, with the above size, it isn't 30 inches tall, it's only 28(and a little bit)...
I've also measured a 31 10.5 15, and that was just under 30 inches,,
Mmmmm
What's going on?!?
Dave
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