AT18*9.5-8;
AT19*7-8;
AT22X10-10;
AT21X7-10.
Parameters：
| 规格 SIZE | 层级 P.R | 轮辋 Standard Rim | 外直径 OD (mm) | 断面宽 S.W (mm) | 最大负荷 Max load (ibs) | 充气压力 Pressure (PSI) | 类型 Type |
| AT18*9.5-8 | 4 | 7.0 | 457 | 241 | 255 | 10 | TL |
| AT19*7-8 | 4 | 5.5 | 483 | 168 | 225 | 10 | TL |
| AT22X10-10 | 4 | 8.0 | 559 | 254 | 300 | 5 | TL |
| AT21X7-10 | 4 | 5.5 | 533 | 177 | 205 | 5 | TL |
