What do motorcycle tire numbers mean

What does the B stand for on a motorcycle tire?


How do you read motorcycle TYRE codes?

The first number is the width of the tyre in millimetres. In this case it’s 180mm at its widest part, not the contact area. Front tyres are usually narrower than the rear and a wider tyre doesn’t necessarily mean it puts more rubber on the road which is more a result of the curvature of the tyre.

What does 81h mean on motorcycle tires?

The service description is a combination of the load index (81) and the speed rating (H). The service description in our example size is “81H.” Please see charts below for load index and speed ratings. Other Tire Markings of Significance. Date of Manufacture.

How are motorcycle Tyres measured?

The first number indicates the width of the tyre in millimetres, taken from the widest point of the tyre. The second number indicates the aspect ratio (or height) of the tyre. This is represented as a percentage of the width of the tyre.

Should I replace both motorcycle tires at the same time?

Should you replace both motorcycle tires at the same time or not? The short answer is NO. When the front presents enough tread life, you don’t need to replace it with the rear. However, if there is physical damage or the tire is over five years from the manufacture date, you should replace them both.

Can I put two different brand tires on my motorcycle?

Tires are the most important part of a motorcycle. It is not a bad idea to buy tires of different brands unless one of them is cheap or doesn’t have the quality of the other. Tires with different type of tread pattern may cause some difference in your bikes stability (Read this), just an opinion.

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Are wider motorcycle tires better?

It’s always a balance of grip, handling, and wear. So, smaller, less powerful bikes can get away with smaller, narrower tires, while bigger, more powerful bikes require larger, wider tires so that they offer adequate traction and wear, but not so wide that it ruins the handling.

Can I put a bigger tire on my motorcycle?

As long as the tires fit the bike (ie, don’t start rubbing against the frame/swingarm/etc) you can put larger tires on, but it won’t improve the handling. It will probably make it worse. The wider and heavier the tires, the more inertia they’ll have and the bigger contact patch will make the bike harder to turn.

How wide is a 200 motorcycle tire?

For example a 200/55R18 would be around 26.7 inches tall and 7.9 (200mm/25.4) inches wide.

What are the speed ratings on motorcycle tires?

Motorcycle Speed RatingsSpeed SymbolMax SpeedL75 mphP93 mphS112 mphH130 mph

Are 14 year old motorcycle tires safe?

The tire’s wear surface dries out, and when it comes to the attributes you want in your bike’s tires, they cannot be safely resurrected. Most tire manufacturers try not to sell a tire that’s more than five years old. … To protect yourself, learn to read the date code on your tire’s sidewall.

How long do motorcycle tires last?

around five years

What TYRE size is 90 90?

90 is the width of tyre in millimeters from one sidewall to the other; 100 is aspect ratio of the tyre i.e. the ratio of the cross-section to its width; 10 is the diameter of the wheel in inches; 53 is the tyres load index, that is, the tyres maximum carrying capacity.

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Can you put tubeless tires on a tubed motorcycle?

It’s ok to run an inner tube in a tubeless tire. If you have wheels with spokes then an inner tube is the only way to keep the air from leaking out through the spokes.

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