Tyre size calculator
Equivalent sizes for the 355/25 R21 tyre
Sidewall height 89 mmDiameter 711 mm Circumference 2233 mmRevolutions/km 448
Approved rim widths according to ETRTO: 13" – 12,5" – 13,5"
To be approved, a tyre's diameter may differ by no more than 2 %. The vehicle's load and speed indices must also be respected.
20″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 335/30 R20 | -0.29 % | 99.7 km/h | 12" – 11,5" – 12,5" | — |
21″
| Size | Difference | Actual speed at 100 km/h on the speedometer | ETRTO rims | Tyres in stock |
|---|---|---|---|---|
| 355/25 R21 Your size | 0 % | 100.0 km/h | 13" – 12,5" – 13,5" |
Sizes equivalent to 355/25 R21:
355/25 R21 tyres in stock
View all 1 355/25 R21 tyres ›
This information is provided for guidance only and does not engage Rupteur's liability in any way.