What does "L" refer to in the following tyre designation: 315/80 R 22.5 156/150 L?

In the tyre designation "315/80 R 22.5 156/150 L", the letter "L" specifically refers to the maximum permissible speed of the tyre. According to German traffic regulations, each tyre has a speed rating that indicates the maximum speed for safe operation. The speed rating is crucial for ensuring that tyres can handle the speeds at which a vehicle is intended to operate, contributing to overall road safety.

The numbers "156/150" represent the load index, indicating the load-bearing capacity of the tyre. Therefore, both the load capacity and speed rating are essential for ensuring compliance with safety standards on the road. Understanding these specifications helps drivers select appropriate tyres for their vehicles, improving safety and performance.