| 原始 | 更換後 | |
| 胎/圈尺寸 | 235 / 45 / 17 | 235 / 40 / 18 |
| 胎壁厚度(mm) | 105.75 | 94 |
| 輪圈直徑(mm) | 431.8 | 457.2 |
| 圈+胎總直徑(mm) | 643.3 | 645.2 |
| 車身高度(mm) | - | 升高 0.95 |
| 圈+胎週長(mm) | 2019.962 | 2025.928 誤差值 0.30% |
| 時速表之差異 (以原先的圈胎為基準) | - | 真實時速比時速表快 |
| 輪上相對速度 (以原先的圈胎為基準) | 100km/hr 110km/hr 120km/hr 130km/hr 140km/hr 150km/hr 160km/hr 170km/hr 180km/hr 190km/hr 200km/hr 210km/hr 220km/hr 230km/hr 240km/hr | 100.30km/hr 110.32km/hr 120.35km/hr 130.38km/hr 140.41km/hr 150.44km/hr 160.47km/hr 170.50km/hr 180.53km/hr 190.56km/hr 200.59km/hr 210.62km/hr 220.65km/hr 230.68km/hr 240.71km/hr |
18吋