The Sidewall is the "smooth", vertical area on the side of the tire between the edge of the tread and the bead of the tire, which does not include any area where tread grooves are still visible.
What is a TYRE wall?
Tyre sidewall markings are predominantly used for two reasons. Firstly, they indicate the size and specification of the tyre and secondly, they indicate that the tyre has passed the necessary standards required to make it road safe and legal.
How do you read a TYRE sidewall?
How To Read A Tire Sidewall
- TIRE SIZE.
- P identifies your tire as a Passenger Tire. ...
- 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters. ...
- 50 is the two-figure aspect ratio. ...
- R indicates the construction used within the tires casing.