What does 225 60R17 99H mean?
Let’s decode it together: Example: 225/60 R17 99H 🔸 225 – Tire width in millimeters 🔸 60 – Aspect ratio (sidewall height as % of width) 🔸 R17 – Radial tire, fits a 17-inch rim 🔸 99H – Load index & speed rating Understanding this helps you buy the right tires and drive safer. Ever looked at your tire and thought, “What do these numbers even mean? Let’s decode it together: Example: 225/60 R17 99H 🔸 225 – Tire width in millimeters 🔸 60 – Aspect ratio (sidewall height as % of width) 🔸 R17 – Radial tire, fits a 17-inch rim 🔸 99H – Load index & speed rating Understanding this helps you buy the .The load index (“100” in this instance) indicates the weight the tire can support after it’s inflated all the way. Typical passenger vehicle tires range from 75-105 for their load index. Meanwhile, the “H” represents the speed rating, or how fast the tire can go safely.The 99 in both tire ratings refers to the load index, indicating that these tires can support the same weight capacity. However, the difference lies in their speed ratings—V and H. The V-rated tires are designed for higher speeds, providing enhanced handling and performance, especially on highways.Understanding Tire Load Indexes: So, let’s take an example: a tire with the size of 235/55R17 99H has a load index of 99, meaning it can carry a load of 1,709 pounds. The higher the load index, the higher the tire’s capacity to carry weight.
What does 90H mean on tires?
The combination 90H, for example, corresponds to a load capacity of 1,323 pounds, and a top speed of 130 miles per hour. Mud and snow rating:On some tires, the letter combination “M + S” will follow the load index and speed symbol. Letters ranging from A to Z represent the speed rating. Each letter denotes the maximum speed a tyre can sustain under its recommended load capacity. In our example, “H” is equivalent to a maximum speed of 130 mph (209 kph).Using the above example, you would also see ’99H’ on the tire sidewall. H is the speed rating that tells you the maximum service speed for a tire.Speed rating H If you recall from earlier, the “H” speed rating doesn’t appear after “G” but between “U” and “V. It represents a maximum speed of 130 mph (210 kph) and is commonly found on sports sedans and coupes.T and 102H are service descriptions. Load Index, what this means is, the tire is capable of carrying weight up to, 1,874 lbs per tire. The T and H are speed Ratings, this indicates that a tire is capable of speeds up to, 118 mph and 130 mph (respectively).
Can I fit H-rated tyres instead of V?
Using tyres with different speed ratings can also cause uneven wear and tear on the tyres, leading to a shorter lifespan and potentially compromising the safety of the vehicle. The only exception to this is a winter tyre. H Rating: Can provide extended tread life and durability with proper maintenance. V Rating: Typically has a shorter tread life due to the higher performance and grip characteristics.If you’re replacing tires and think you may want a lower- or higher-speed-rated tire, it’s best not to mix and match. When mounting differently rated tires, techs prefer to put the lower-speed-rated tires on the front to prevent oversteering.You can always increase the speed rating of the tires on your vehicle for improved performance, but can never decrease it without reducing the vehicle top speed to that of the lower speed rating selected.H-rated tires are thoroughly tested to safely handle speeds up to 130 mph, while V-rated tires show reliable performance at sustained speeds up to 149 mph, which is an important distinction for vehicles that travel at higher speeds.
What does H or V mean on tyres?
H: 130mph. V: 149mph. Z: 150+mph. W: 168mph. Y: 186mph. R – Up to 106 mph. S – Up to 112 mph. T – Up to 118 mph. H – Up to 130 mph. V – Up to 149 mph.
What does 99H mean on tires?
Using the above example, you would also see ’99H’ on the tire sidewall. H is the speed rating that tells you the maximum service speed for a tire. Load index. This is a numerical code corresponding to the maximum load the tire can carry. H = Speed rating. This letter indicates the maximum speed the tire is certified to carry its load. H, for instance, is up to 130 mph (210 km/h).Understanding Tire Load Indexes: So, let’s take an example: a tire with the size of 235/55R17 99H has a load index of 99, meaning it can carry a load of 1,709 pounds. The higher the load index, the higher the tire’s capacity to carry weight.You are going from a tire rated to handle 1433 lbs per tire (93) to one that is rated at 1609 lbs per tire (97).So, let’s take an example: a tire with the size of 235/55R17 99H has a load index of 99, meaning it can carry a load of 1,709 pounds. The higher the load index, the higher the tire’s capacity to carry weight.Understanding Tire Load Indexes: So, let’s take an example: a tire with the size of 235/55R17 99H has a load index of 99, meaning it can carry a load of 1,709 pounds. The higher the load index, the higher the tire’s capacity to carry weight.
Should I buy H or T rated tires?
The choice between H and T tires is actually based on speed ratings: while H-rated tires allow a top speed of 130 mph, delivering superior handling and heat resistance. T-rated tires max out at 118 mph and thus favor durability and comfort for everyday use. H-rated tires are thoroughly tested to safely handle speeds up to 130 mph, while V-rated tires show reliable performance at sustained speeds up to 149 mph, which is an important distinction for vehicles that travel at higher speeds.H-rated tires provide you with better control at higher speeds, which is good for both safety and performance, whereas T-rated tires balance a comfortable ride, longer life, and safe everyday driveability at moderate speeds.H-rated tires typically last longer, averaging approximately 61,080 miles compared to 48,260 miles for V-rated tires. This advantage comes from harder rubber compounds optimized for everyday driving rather than maximum grip. V-rated tires use softer compounds that prioritize road adhesion over longevity.H-rated tires typically last longer, averaging approximately 61,080 miles compared to 48,260 miles for V-rated tires. This advantage comes from harder rubber compounds optimized for everyday driving rather than maximum grip. V-rated tires use softer compounds that prioritize road adhesion over longevity.