Motorcycle Tire Conversion Chart Standard To Metric
As a motorcycle enthusiast, it is important to understand the tire conversion chart. Whether you are a beginner or an experienced rider, knowing how to convert tire sizes from standard to metric will help you choose the right tires for your motorcycle. This article will provide a comprehensive guide on motorcycle tire conversion chart standard to metric.
Understanding Tire Markings
Before we dive into the conversion chart, it is important to understand tire markings. The markings on a tire provide information about the tire's size, load capacity, speed rating, and other important details. The most common tire marking looks like this: 180/55ZR17. Let's break it down:
- 180 - The first number represents the width of the tire in millimeters.
- 55 - The second number represents the aspect ratio or the height of the tire's sidewall as a percentage of the width.
- ZR - The letter(s) represents the speed rating of the tire.
- 17 - The last number represents the diameter of the wheel in inches.
Standard to Metric Conversion Chart
Now that we understand tire markings, let's move on to the conversion chart. The chart below will help you convert standard tire sizes to metric sizes:
| Standard Size | Metric Size |
|---|---|
| 80/90-21 | 2.75-21 |
| 90/90-21 | 3.00-21 |
| 100/90-19 | 3.25-19 |
| 110/90-19 | 3.50-19 |
| 120/90-19 | 4.00-19 |
| 130/90-16 | 5.00-16 |
| 130/80-17 | 5.10-17 |
| 140/80-17 | 5.50-17 |
| 150/70-17 | 6.00-17 |
| 160/70-17 | 6.25-17 |
| 180/55-17 | 6.75-17 |
| 190/50-17 | 7.50-17 |
| 200/50-17 | 7.75-17 |
| 240/40-18 | 9.50-18 |
Why Convert Tire Sizes?
You may be wondering why you would need to convert tire sizes. One reason is if you are purchasing tires from a different country that uses a different tire sizing system. Another reason is if you want to change the size of your tires for performance purposes. However, it is important to note that changing the size of your tires can affect your motorcycle's handling and stability. It is best to consult with a professional mechanic before making any changes to your motorcycle's tires.
Tire Maintenance Tips
Now that we have covered tire conversion chart standard to metric, let's talk about tire maintenance. Proper tire maintenance is crucial for your safety on the road. Here are some tips:
- Check your tire pressure regularly and maintain the recommended pressure.
- Check for any signs of wear or damage on your tires.
- Replace your tires when they have reached the end of their lifespan.
- Rotate your tires regularly to ensure even wear.
- Avoid overloading your motorcycle, as this can cause excessive wear on your tires.
Conclusion
In conclusion, understanding motorcycle tire conversion chart standard to metric is important for choosing the right tires for your motorcycle. The conversion chart provided in this article will help you convert standard tire sizes to metric sizes. However, it is important to consult with a professional mechanic before making any changes to your motorcycle's tires. Proper tire maintenance is also crucial for your safety on the road. Follow the tips provided in this article to ensure your tires are in good condition.