ARAMIS SureGripp Plus 2.75 R18 42P

2.75

2.75 is the width in millimetres of the tyres cross section.

18

18 inches, stands for the diameter of the wheel that the tyre is designed to fit.

R

Radial construction.R stands for radial-ply construction.

150

150 is the load index i.e. the maximum weight each tyre can carry at full speed.

P

P is the speed rating i.e. the maximum speed for the tyre at full load.