Quick Answer: What Does Zr Mean On A Michelin Tire?

What is the difference between Z and ZR tires?

A letter from A to Z symbolizes a tire’s certified speed rating, ranging from 5 km / h (3 mph ) to above 300 km/h (186 mph). For tires having a maximum speed capability above 240 km/h (149 mph), a “ ZR ” may appear in the size designation.

Can I use ZR tires instead of R?

91Y is the load rating, ZR is the speed rating, do not use a R rated tyre.

Do I need ZR tires?

For tires with a maximum speed capability higher than 240 km/h (149 mph), a ” ZR ” may appear in the size designation. 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.

What does ZR on a TYRE mean?

ZR shown on the sidewall of your tire is a reference to the tire’s speed rating.. Historically, the speed rating ZR on a tire meant that the construction of the tire could reach of 150 miles or 240 kilometers per hour.

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What does XL Tire mean?

They can carry heavier loads than tires of the same size. Reinforced tires are designated on the sidewall by the letters “RF”; extra load tires with the letters ” XL.” Reinforced and XL tires require higher inflation pressures than standard tires.

What speed rating is Q?


P 93
Q 99
R 106
S 112

Does tire speed rating matter?

The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds — and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.

Can you mix Tyres with different load ratings?

Primarily, you should avoid mixing different tyre brands and different tread patterns. Driving a car with a set of tyres with mismatched size, construction, load index or speed rating can pose a danger to you and other road users.

Can I use H rated tires instead of V?

H tires should last longer than V tires, manufacturer and other ratings equal. High performance tires use a softer rubber compound, and it wears faster. Sign the waiver, stay under 130 mph (chuckle), and you’ll be fine.

Which is better T or H speed rating?

H rated tires have stronger construction than T rated tires. The concern may not be speed although a Subaru can exceed 118 MPH hence those tires however it may be load rating of the tires. Lessor speed rated tires must be able to handle the listed load of your vehicle properly. Confirm this, a good tire shop will.

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Should I get V or H rated tires?

To support running at higher speeds, V – rated tires will have a stiffer sidewall and slightly firmer ride than H – rated tires. For normal driving conditions the H – rated tire will provide a more comfortable ride and the V – rated should give slightly better handling.

What is the best speed rating for Tyres?

Speed Rating

L 75 mph 120 km/h
S 112 mph 180 km/h
T 118 mph 190 km/h
U 124 mph 200 km/h
H 130 mph 210 km/h

What does 92w XL mean on a tire?

Some vehicles are equipped with ” XL ” tires. It doesn’t mean that they’re extra large, but it does mean that they are extra-load tires. The load index on these tires is much higher than a standard-load tire, which is why it is important to replace an XL tire with another XL tire.

What is 235 40zr18?

235. This number indicates that your tire has a width of 235 millimeters. 40. This number means that your tire has an aspect ratio of 40%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 40% of the width.

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