WebDec 10, 2024 · ZR Designation. ZR is a speed rating for tires with a maximum speed capability higher than 149mph. ZR tires include the tire speed rating V, W, and Y. V means that vehicles can safely use the tire with a top speed higher than 149mph. The rating W shows that the tire is safe to use for a vehicle with a top speed of 168mph. WebLOAD INDEX AND SPEED RATING. ... For instance, S is equivalent to a maximum speed of 112 mph. Even though a tire can perform at this speed, Continental Tire does not advocate exceeding legal speed limits. Rating. Maximum Speed. Q. 100 MPH. S. 112 MPH. T. 118 MPH. U. 124 MPH. H. 130 MPH. V. 149 MPH. W. 168 MPH. Y.
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WebMay 5, 2024 · Carbon black (CB) is the most common reinforcing filler used in aircraft tire tread formulations. For CB-reinforced natural rubber/butadiene rubber (NR/BR) compounds, material and processing parameters are important factors that need to be controlled, as they can influence both, processing as well as the vulcanizate properties. It is essential to … WebChoosing a tire with a lower load index than the original equipment specifications means that the tire will not carry the load capacity of the original. Most passenger-car tire load … dubstar two deluxe torrent
What Are the Speed Ratings for Tires? - Tread Connection
WebAug 22, 2016 · A letter from A to Z symbolizes a tire’s certified speed rating, ranging from 5 km/h (3mph) to above 300 km/h (186 mph). This rating system, listed below, describes the top speed for which a tire is certified. It does not indicate the total performance capability of a tire. When this speed rating system was originally developed, the Unlimited ... WebMar 6, 2024 · See load index chart. 7. Speed Rating. P225/65R17 95H . The speed rating or maximum speed rating is another figure that needs to be referenced with the help of a chart. This figure relates to the top speed capability you can use the tire at. Tires with higher speed ratings provide more control at higher speeds and can handle heat better. 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 … See more A tire’s speed rating indicates the optimal speed that the tire can safely maintain over time. In short, it’s the fastest speed a tire can handle before it no longer performs as … See more You can find your tire speed rating in a number of places, typically in the owner’s manual, driver’s side doorjamb, glove box door, and gas tank hatch. Recent standardization has … See more The speed rating system used today was developed in Europe in response to the need to control the safe performance of tires at standardized speeds. When the rating system was originally developed, the "Unlimited V" … See more Tires having a maximum speed capability over 149 MPH may have “ZR” in the size designation. Tires with a maximum speed capability over 186 … See more common side effect of magnesium