What do the numbers on a motorcycle tire mean?
The first number (180) is the width of the tire in millimeters. The second number (70) is the aspect ratio, which is the height of the sidewall. The height is 70% of the width or 126mm high. The third number (16) is the rim size. In this case, the rim size is 16 Inches in diameter.
How do you read motorcycle tire date codes?
Look on the outer sidewall for the acronym “DOT,” which should be followed by a series of numbers. The last four digits are what you need to determine when the tire was manufactured. The first two numbers represent the week, and the second pair indicates the year.
What is the H rating on a motorcycle tire?
130 mph
Speed ratings are as follows:
| Code | Rated Speed |
|---|---|
| T | 118 mph |
| U | 124 mph |
| H | 130 mph |
| V | 149 mph |
How do I know my motorcycle TYRE size?
Complete motorbike tyre size list by rim size
- 120 indicates the width of the tyre (in millimeters)
- 70 indicates the aspect ratio (between height and width.
- 12 is the rim size (in inches.
- 51 refers to the speed rating.
- S refers to the type of construction.
What is the ratio on a tire?
The aspect ratio is indicated on the tire sidewall as a percentage. It’s the height of the sidewall measured from wheel rim to top of the tread, expressed as a percentage of tire width. In this example, the aspect ratio is 65, meaning the sidewall is 65 percent as high as the tire is wide.
What is aspect ratio on a motorcycle tire?
The aspect ratio is the height of the sidewall expressed as a percentage of the width. Thus, this tire has a side wall height of 90 percent times 130 mm or 117 mm. The next item you’ll see is the rim size expressed in inches.
How do I read tire codes?
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
Do motorcycle tires have a date on them?
Motorcycle tires wear out from use, but they can also expire from age. In fact, most tire companies put the “sell by” date somewhere out around five years from the date of manufacture. So unless you don’t expect to wear the tire out within five years from the date that’s stamped on the sidewall, don’t sweat it.
What does Zr mean on motorcycle tires?
Tire Speed Rating Chart 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.
What does V mean on motorcycle?
The speed symbol V (currently V = greater than 210 km/h) was redefined as V = 240 km/h. Hereby, the factory identifier is set in brackets in order to emphasise that the permissible maximum speed is more than V (240 km/h) or W (270 km/h). For example: (69 V), (69 W).
What size tire will fit my motorcycle rim?
Motorcycle tire width
| Permissible Rim Widths | Metric | Standard Inch |
|---|---|---|
| 1.85, 2.15 | 90 | 3.25 |
| 1.85, 2.15 | 90 | 3.50 |
| 2.15, 2.50 | 100 | 3.75 |
| 2.15, 2.50, 2.75 | 110 | 4.00 |
How wide is a 110 motorcycle tire?
Tire Width Cross Reference Table
| Permissible Rim Widths | Metric | Standard Inch |
|---|---|---|
| 2.15, 2.50 | 100 | 3.75 |
| 2.15, 2.50, 2.75 | 110 | 4.00 |
| 2.15, 2.50, 2.75 | 110 | 4.25 |
| 2.15, 2.50, 2.75 | 120 | 4.50 |
What does inch size mean on motorcycle tires?
Often, older motorcycle tires have a Standard Inch System. These tires do not have an aspect ratio designation marking. The cross-section tire height is 100% of the width. An inch-sized tire is bias-ply construction and is not belted.
What do the numbers mean on a 16 inch tire?
MT90S-16. 1 M = motorcycle tire. 2 T = width. 3 90 = aspect ratio (cross-section height is 90% of width) 4 S = speed rating (112mph) 5 16 = wheel diameter (inches) 6 [no construction designation after speed rating means that it is bias-ply]
What does alpha size mean on motorcycle tires?
The Alpha size designation is most often used for touring motorcycle tires. Even if a tire doesn’t have a“B” designation after the speed rating, it could be belted. Often, older motorcycle tires have a Standard Inch System. These tires do not have an aspect ratio designation marking. The cross-section tire height is 100% of the width.
What are the best motorcycle tires?
Whichever side you fall on, it’s important that when you buy motorcycle tires, that you are getting the best. At Dennis Kirk, we carry the best motorcycle tire brands like Dunlop, Michelin, Metzeler and Bridgestone . Everyone has a riding style all their own and need the right style of tire to fit their needs.