A “Z” rating can mean different things. While it nearly always means a high performance tire for high-performing sports cars, “Z” may actually appear in the middle of a tire's size information. When it does, it represents either a maximum speed of more than 149 mph (240 kph) or 186 mph (300 kph).1 Apr 2021
Are ZR tires good?
It is hands down one of the best low cost high performance tires in its class. Traction and grip on dry surfaces and in the corners is superb. Wet handling is nearly as good, and the treadlife is better than you would expect.17 Sept 2019
Are ZR tires good for winter?
Premium Member. It is extremely dangerous to drive Z rated, summer tires in cold or icey/snowy conditions. They are not designed to handle that kind of weather. I would recommend a good set of dedicated snow tires if you live in an area where there is regular snow.29 Dec 2012
What is the difference between Z and ZR tires?
The Z in ZR corresponds to an old label used by manufacturers to indicate that the speed index is higher than V, i.e. 150 mph. Thus, a ZR tyre has a speed index of V, W, or Y. There is therefore no difference between a ZR or an R tyre with the same speed index.
What does ZR stand for on a tire?
speed rating
Do I need ZR tires?
Tires with a maximum speed capability higher than 300 km/h (186 mph), require a "ZR" in the size designation. Consult the tire manufacturer for maximum speed when there is no service description.
Can Z rated tires be repaired?
Can tires rated H (130 m.p.h.), V (more than 130 m.p.h.) or Z (more than 149 m.p.h.) be safely repaired? Yes, with some reservations. Most punctures can be repaired, and the tire returned to service, as long as the puncture is in the tread area. If the damage is in the shoulder or sidewall, however, replace the tire.10 Sept 2000
What brand of tires should I stay away from?
As per our research, the list of worst tire brands includes Firestone, Falken, Carlisle, General Tires, Westlake, AKS, Goodyear, GeoStar, Autogreen, and Chaoyang. These worst quality tires wear out quickly, and you will soon have to invest in new tires again.
What tires Cannot be repaired?
Puncture repairs are limited to the center of the tread area. If there are punctures or damage in the shoulder or sidewall of the tire, it is not repairable.
Can you patch Y rated tires?
Finally, a few tire manufacturers recommend outright tire replacement, as they will not accept repaired tires for warranty consideration or do not endorse repair of V-, Z-, W- or Y-speed rated tires.