A Tyre Rolling Circumference is the length of one complete rotation of the the Tyre’s outer circumference or treaded area when carrying a typical load at the recommended inflation pressure.
The Tyres Rolling Road Circumference will be altered by many different aspects here are few examples of what would effect it:
- Tyre Pressures.
- Vehicle unladen Weight.
- Vehicle laden Weight.
- Towing. (Ball weight of towed item)
- Amount of tread remaining on tyre.