View the Sizing Chart for the Avon Roadrunner Universal
| TYRESIZE | RECRIM | RIM MIN | RIM MAX | SECTION MM | SECTION INS | OVRALL MM | OVRALL INS | DIA MM | DIA INS | STATIC LOADEDRADIUS MM | STATIC LOADEDRADIUS INS | MILES | KM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80/90H18 | MT 1.85 | 1.6 | 2.15 | 81.28 | 3.2 | 81.28 | 3.2 | 607.06 | 23.9 | 294.64 | 11.6 | 866 | - |
| 100/90H19 | MT 2.5 | 2.15 | 2.75 | 99.06 | 3.9 | 99.06 | 3.9 | 665.48 | 26.2 | 314.96 | 12.4 | 816 | - |