C = set as Current, N = set as New
| Measurement | Current | New | Difference |
|---|---|---|---|
| Overall Diameter | 26.63" | 27.18" | +0.55" |
| Circumference | 83.66" | 85.38" | +1.72" |
| Sidewall Height | 5.31" | 5.09" | -0.23" |
| Section Width | 8.86" | 9.25" | +0.39" |
| Revs per Mile | 757 | 742 | -15 |
| Speedo Reads | Actual Speed | Difference |
|---|---|---|
| 20 mph | 20.4 mph | +0.4 mph |
| 30 mph | 30.6 mph | +0.6 mph |
| 40 mph | 40.8 mph | +0.8 mph |
| 50 mph | 51.0 mph | +1.0 mph |
| 60 mph | 61.2 mph | +1.2 mph |
| 70 mph | 71.4 mph | +1.4 mph |
| 80 mph | 81.6 mph | +1.6 mph |
New tires are larger: your speedometer will read LOWER than your actual speed.