Meaning of the Code on The Tire
– When you want to buy a car tire, the tire builders call ring and how wide? In fact, in the tire wall, especially the outside, a lot of text or code. All that means, more precisely the identity of the circular rubber itself.
The danger, you do not know what year the tire was manufactured. In fact, written on the side edges. Including the maximum allowed speed limit. There are many other codes, let’s see below.
1. 215/50 ZR17 95W
Numbers and letters indicating the profile and the speed allowed. 215 = width of tire tread that sticks to the road surface, calculated from the end of both sides. 50 = height of the wall of the tire (usually there are 45, 55, 60 and 70). If the calculation of a millimeter, 50 had a percentage of the tire tread. so, 50% x 215 result (rounded) 106 mm. The ZR17 indicates the rim diameter wheels alias. Popularly called the ring 17. 95W = the index figure as the maximum weight that can be carried by the tire, while W indicates the maximum speed limit of 270 km / h is allowed. Then other code, S = 180 km / h, M = 130 km / h, N = 140 km / h, P = 150 km / h, Q = 160 km / h, R = 170 km / h, S = 180 km / h, V = 240 km / h, T = 190 km / h, U = 200 km / h, and H = 210 km / h.
2. Manufactured and Brand
Tire manufacturer and product name
3. Made in (Indonesia) and SNI (Indonesia)
State and tire maker had crossed the line defined standardization in their own country.
4. Triangle logo or TWI (Tread Wear Indication)
Limit the use of tires. Usually if it continued to draw a line in the direction of the tire tread, then there will be other signs, a bar that connects antarkembang tires. When it is interconnected, means the tire was considered bald and should be quickly replaced.
5. Ban blends
For example, Plies: 2 Polyester Tread 2 DSteel I Nylon, Polyester sidewall 2 could indicate that the site consists of two polyester, 2 steel and one nylon, while the tire wall is only 2 polyester.
6. Production Date
Date of manufacture is printed in an oval or elliptical. A total of last 4 digits in the field that indicates the tire is produced with the details, two points last year and 2 digit production early (in front) how many weeks (one year).
7. E Mark
On some tires, this sign shows in which countries can be accepted. Such as E1 can be accepted in German, French E2, E3 in Italy, the Netherlands or E4.
8. Compound Tires
To ban any type of compound it, the SS (super soft), S (soft), M (medium), MH (medium hard), and H (hard). S compound tires with more grip on the asphalt, but wear out faster. Especially how to drive a relatively rough.