Tire Basics

by 6000 SSEi
Ever wanted to know what all this P 205 60 R 15 means?

Well here it is..

Lets take a tire with the reading of P 205 75 R15 on the sidewall for an example.

P - Tire type. ex. P-assenger, T-emp, C-ommercial

205 - Section width in MM. ex. 185, 205, 255

75 - Aspect Ratio. This is the % that the section width is. 75% of 205MM.

R - Construction type. ex. R - Radial, B - Bias Belted, D - Diagonal Bias.

15 - And finally, this is the size of the rim the tire is mounted on.