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 ...

Do you know what the codes on the sides of your tyres mean, what sort of tyres you are riding on and how they are made? Motorcycle industry veteran Dale Schmidtchen takes a look at the construction of ...

Production year - how to check the tyre’s age? In general we can say:. Newer Tires vs. Older Tires Rubber is an organic dating and it decomposes. Bonnier Corp. At Bonnier Corporation, your ...