Quote:
Originally Posted by HypermilerAX
I've never heard of a 90% ratio, except for 18/19" doughnuts. 
What are these ? |
There were even a few that are technically 100%, they are NOT metric and fell under the old dimensional standards SR's came close to that, the only tires like that now are floatation tires and they don't say 90 on them anywhere just a bunch of inch measurements.