View the Sizing Chart for the Avon 15″ Historic wet weather
| TYRE SIZE | RIM CHOICE | RIM | PSI | BAR | DIA INS | DIA MM | SECTION INS | SECTION MM | TREAD INS | TREAD MM | MILES | KM | CMPD | CAT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.5/21.5-15 | 6.0 - 8.0 | 6 | 30 | 2.04 | 22.2 | 563 | 7.8 | 198 | 7.2 | 182 | 908 | 568 | A15 | GN |
| 8.0/21.5-15 | 6.5 - 8.5 | 7.5 | 30 | 2.04 | 21.8 | 553 | 8.8 | 224 | 7.8 | 198 | 925 | 578 | A15 | GA |
| 8.7/21.5-15 | 7.5 - 9.0 | 8 | 30 | 2.04 | 22.1 | 561 | 9.7 | 246 | 8.4 | 213 | 912 | 570 | A15 | GN |
| 9.5/21.5-15 | 8.0 - 10.0 | 10 | 30 | 2.04 | 21.85 | 554 | 10.65 | 271 | 9.5 | 241 | 923 | 577 | A15 | GC |
| 10.0/21.5-15 | 8.5 - 11.0 | 10 | 30 | 2.04 | 21.85 | 554 | 11 | 279 | 10 | 254 | 923 | 577 | A15 | GA |
| 10.7/21.5-15 | 9.0 - 11.0 | 10 | 30 | 2.04 | 21.85 | 554 | 11.3 | 287 | 10.6 | 269 | 923 | 577 | A15 | GC |
| 10.5/23.0-15 | 10.0 - 12.0 | 11 | 30 | 2.04 | 23.55 | 598 | 11.95 | 304 | 10.3 | 261 | 856 | 535 | A15 | HSC |
| 8.5/23.5-15 | 7.0 - 9.5 | 8.5 | 30 | 2.04 | 23.6 | 599 | 9.6 | 244 | 8.8 | 223 | 854 | 534 | A15 | GA |
| 9.1/23.5-15 | 8.0 - 9.5 | 8.5 | 30 | 2.04 | 23.55 | 598 | 9.88 | 251 | 8.5 | 215 | 856 | 535 | A11 | HSC |
| 11.0/23.5-15 | 10.0 - 12.0 | 11 | 30 | 2.04 | 23.3 | 591 | 12.1 | 307 | 11.3 | 287 | 865 | 541 | A15 | HSC |
| 12.5/23.5-15 | 11.0 - 13.5 | 12 | 30 | 2.04 | 23.3 | 591 | 13.3 | 338 | 12.7 | 322 | 865 | 541 | A15 | GC |
| 11.0/25.0-15 | 10.0 - 12.0 | 12 | 30 | 2.04 | 24.7 | 627 | 13.6 | 345 | 11.3 | 287 | 816 | 510 | A15 | GC |
| 13.0/25.0-15 | 11.5 - 14.0 | 14 | 30 | 2.04 | 24.8 | 629 | 15.4 | 391 | 13.2 | 335 | 813 | 508 | A15 | GC |
| 15.0/26.0-15 | 15.0 - 17.0 | 16 | 30 | 2.04 | 25.75 | 654 | 17.4 | 442 | 15 | 381 | 783 | 489 | A15 | HSC |
| 12.5/27.0-15 | 11.5 - 14.5 | 13 | 30 | 2.04 | 27 | 685 | 15.25 | 387 | 12.5 | 317 | 747 | 467 | A15 | HSC |
| 16.0/27.0-15 | 15.0 - 18.0 | 16 | 30 | 2.04 | 27.5 | 698 | 16.8 | 427 | 16.1 | 408 | 733 | 458 | A15 | HSC |