Running 19.5" wheels; what about the spare?
I've got a set of Rickson 19.5" wheels recently and currently shopping for tires. In the meantime, I've been reading up about the 19.5" option and it would seem Rickson's website does not find having...
Forum Discussion
ticki2 wrote:
No where in your reference does it mention anything about the speed at which the rev.per mile were calculated .
I just repeat that it is misfortune that knowledge about tires is so low and where is no demand, why would manufacturer create free supply?
I don't remember where I read years ago about standard rpm to be listed at 60 mph.
In the past different manufacturers listed it at different speeds and the tires match on the paper would not work on the road.
Obviously digital era in cars, when even Ford trucks have speed sensors on 4 wheels with ESP magnify the problem.
But frankly what do you care? As long as all manufacturers measure rpm at the same speed - you have good base for matching the tires.
