# 255mm tire section width

## What does 255mm mean in a tire size?

A 255mm section width tire is 255 millimetres wide at its widest point when unmounted. Common sizes include 255/50R17 and more. Recommended rim width varies by aspect ratio.

- [255/65 R17](https://tirefitlab.com/255-65-r17.md)
- [255/35 R18](https://tirefitlab.com/255-35-r18.md)
- [255/45 R18](https://tirefitlab.com/255-45-r18.md)
- [255/55 R18](https://tirefitlab.com/255-55-r18.md)
- [255/35 R19](https://tirefitlab.com/255-35-r19.md)
- [255/40 R19](https://tirefitlab.com/255-40-r19.md)
- [255/45 R19](https://tirefitlab.com/255-45-r19.md)
- [255/50 R19](https://tirefitlab.com/255-50-r19.md)
- [255/35 R20](https://tirefitlab.com/255-35-r20.md)
- [255/45 R20](https://tirefitlab.com/255-45-r20.md)
- [255/50 R20](https://tirefitlab.com/255-50-r20.md)
- [255/35 R21](https://tirefitlab.com/255-35-r21.md)

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Methodology: https://tirefitlab.com/methodology/