Originally Posted by
HTupolev
Are you sure that yours say 56 on them? My RTPs say 58 on the sidewall rubber, and I'd be very surprised if two differently-patterned molds exist for any of the Compass tires.
Hmm, you know, I think you're right. But it'll be a day or two before I can check. That is, about the RTP tires. The mathematical discrepancy may have come from somewhere else.