What are C1, C2, and C3 tyres?
As of 01/05/2021, the European tyre label has changed significantly on the basis of updated, stricter European regulations (Regulation (EU) 2020/740). This new European tyre label applies to passenger car tyres (C1), light truck tyres (C2) and heavy truck tyres (C3). Short introduction. If you’re a typical user, you don’t need to overthink this. C1, C2, and C3 are European regulatory categories for vehicle tyres—C1 for passenger cars, C2 for light commercial vans, and C3 for heavy trucks. They determine how tyres are labeled for fuel efficiency, wet grip, and noise 1 .
What does R mean on a tire?
R” stands for the construction method of the tire indicating the tire is a radial tire. The following two numbers (16) indicate the diameter of the wheel rim in inches. After the aspect ratio, there will generally be a letter – either R, D, or B. This refers to the internal construction of the tire. R stands for radial, the industry standard for most passenger vehicles today. D means diagonal construction, while B signifies belted bias construction.The D in 75D15 stands for diagonal or bias ply, indicating that the tire’s internal fabric layers are diagonally arranged, while the R in 75R15 stands for radial, meaning that the tire’s internal fabric layers are arranged radially from the center.Aspect Ratio. R – Designates the tire has radial construction. Wheel Diameter. Load Index. S – Speed Rating.
What does y mean on tires?
W – Up to 168 mph. Y – Up to 186 mph. Z – (See Below) What does Up to 99 mph really mean? Tires with a Q speed rating can safely sustain speeds of up to 99 miles per hour. Z-rated high-performance tyres are rated for speeds in excess of 149mph. Confusingly, W-rated tyres are rated at a higher speed in excess of 168mph. Y-rated tyres are rated in excess of 186mph.