The tyres in size 255/45 R17 are designed for passenger cars of a sports character. Number 255 in the beginning of the size is the exact tyre's tread width in millimetres. The next number (45) is a designation of a tyre's profile height in percentage which amounts 45% out of 255 millimetres of the tyre's tread width. The "R" denotes the radial construction of the tyre. Number 17 at the end of the size is the diameter of the wheel's rim in inches on which 255/45 R17 tyre can be installed. On our website you will find a rich offer of tyres in size 255/45 R17.