The standard of the industry is 8.25x22.5 wheels with 295 75R25 or 275 80 R22.5 tires. The 7.50 x 22.5 would be the wheel for a 9R22.5 tire. 9R22.5 is still a common tire on on two ton bob tail trucks. However stud piloted is becoming a thing of the past.
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