Tire Code

It would be nice if we could learn how to read codes on a motorcycle tire for the designation, so we are not wrong if we want to change the tire, because tires are bald or are not comfortable wearing.

There is code in the form of numbers or letters for example 4.60 - H-18 4 PR or 130 / 90-16 67 H.

What information can we get from the code? Below we discuss some of them.

There are two kinds of tire codes commonly used code that Imperial and Metric.

Sample code Imperial

4.60-H-18 4PR

4.60 tire's width (in inches) H shows the use of speed limits (for

scooter max 100 km / h)

N max 140 km / h

S max 180 km / h

H max 210 km / h

V max 250 km / h

18 shows the diameter of the wheel / rim (in inches)

4PR show the strength of the tire based on the strength of fiber tire fabric / ply rating

4 PR means the use of nylon fabric lining inside the carcass indicated the strength equivalent to 4 layers of tire fabric.

For the Imperial code, aspect ratio (the ratio of tire height to width tire) is based on a value of 100% (high-width tires with tires).

Sample code Metric

130 / 67 90-16 H

130 indicates the tire width (in units of milli-meter)

90 shows a high ratio of tire width.

90 means a high ratio of 90% of tire width. If the width 130 mm, the height tires

90% x 130 mm = 117 mm. Small aspect ratio which will improve vehicle stability and handling.

16 shows the diameter of the wheel / rim (in inches)

67 shows the maximum allowable load (load index / LI). LI 67 means the maximum load that can

covered was 307 kg.

H indicates the speed limit usage (same as in the example above)

So when we're going to buy a tire with a different brand watch the code, and check whether the same

specifications with the previous tires we use. (Source)