3 is the width in millimetres of the tyres cross section.
Radial construction.R stands for radial-ply construction.
17 inches, stands for the diameter of the wheel that the tyre is designed to fit.
- Load Rating
170 is the load index i.e. the maximum weight each tyre can carry at full speed.
- Speed Rating
P is the speed rating i.e. the maximum speed for the tyre at full load.
Tyre upsize options for SureGripp X 3 R17 46P Tube
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