31x10.50 R15 tyres are designed for off-road cars and delivery vehicles. This size label of the 31x10.50 R15 is different from oneseen on a daily basis. In this case each number is provided in the inch system. The first number informs about the tread width of the 31 inch tyre. The second number is the height of its profile, 10.50 inches. The "R" in the tyre's size denotes its radial construction and the number 15, provided in inches, is the diameter of the wheel rim on which the 31x10.50 R15 should be installed. See our offer for more details on the 31x10.50 R15 tyre model. There's everything for everyone.