205/40 R21 tires: vehicles that use this size
205/40 R21 is a factory or optional tire size on 1 model.
| Vehicle | Years | Fitment |
|---|---|---|
| Alfa Romeo 4C | 2017 | Optional · front |
How to read 205/40 R21
- 205
- Tread width in millimetres
- 40
- Sidewall height, % of width
- R
- Radial construction
- 21
- Wheel diameter in inches
Overall diameter: about 27.5" · Sidewall: 82 mm