Choosing the right tires for your sport bike is crucial to ensure optimal performance and safety. One of the first factors to consider is tire size. The tire code, such as 190/50 ZR 17 M/C (73 W), may seem complicated, but it’s actually quite simple to understand. The first number represents the width of the tire in millimeters. In this case, it’s 190mm.
The second number, known as the aspect ratio, indicates the percentage of the width that represents the tire’s height. So, for a 50% aspect ratio, the tire’s height would be 50% of 190mm, which is 95mm.
The Tire Code
190: This is the tire’s width in millimeters, measuring from one sidewall to the other when the tire is mounted on a designated rim.
50: This represents the aspect ratio, which is the percentage of the tire’s width that makes up its height. In this case, 50% of 190 mm equals the tire’s height.
ZR: Indicates the speed rating of the tire, with “Z” often being used for high-performance tires.
17: Refers to the diameter of the wheel rim the tire is designed to fit, typically measured in inches.
M/C (73 W): The “M/C” stands for motorcycle, and the numbers in parentheses indicate the load index (73 in this case) and the speed rating (W).
600cc & 1000cc Sport Bike Tire Guidelines
There are some general guidelines you can follow. For a 600cc bike, a tire with a height of 180-190mm and a width of 5.5 inches is typically a good choice. On the other hand, for a 1000cc bike, a tire with a height of 190-200mm and a width of 6 inches is recommended.
Another important factor to consider is the shape of the tire. A round shape provides smoother leaning and stability, while a sharper shape allows for quicker leaning and better cornering. The shape of the tire depends on your riding style and preferences.
About tire compounds, there are different options available. Dual compound and triple compound tires are made using different rubber compounds in specific sections of the tire. For example, the center might be harder for longevity, while the edges are softer for better grip during cornering.
It’s also essential to consider whether you’ll be using the tires for street or track use. Street tires are designed for everyday riding, providing a balance between performance and longevity. Track tires, on the other hand, are specifically designed for high-performance riding on the racetrack, offering maximum grip and responsiveness.