Robust tyre structure with a center line
Better shock absorption
Enhanced cornering ability
90 is the width in millimetres of the tyres cross section.
- Aspect Ratio
90 is the Aspect Ratio, it is the ratio of the sidewall height to the cross section width.
Radial construction.R stands for radial-ply construction.
12 inches, stands for the diameter of the wheel that the tyre is designed to fit.
- Load Rating
212 is the load index i.e. the maximum weight each tyre can carry at full speed.
- Speed Rating
J is the speed rating i.e. the maximum speed for the tyre at full load.
Tyre upsize options for ROADMAXX BT S63 90/90 R12 54J Tube
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