
20/07/2025
π How to Read Your Tyre Size β Explained Simply! β
Ever looked at the side of your tire and seen something like 205/55 R16 91V? Thatβs your tyre size β and hereβs how to decode it:
Mechanics Manual
π Example: 205/55 R16 91V
1. 205 β Tire Width
β‘οΈ Width of the tire in millimeters (from sidewall to sidewall).
(205 mm wide)
2. 55 β Aspect Ratio
β‘οΈ Ratio of the tireβs sidewall height to its width.
(55% of 205 mm = sidewall height)
3. R β Radial Construction
β‘οΈ Most modern tires are Radial, meaning the layers run radially across the tire.
4. 16 β Wheel Diameter
β‘οΈ Fits a 16-inch rim.
5. 91 β Load Index
β‘οΈ Indicates the max weight the tire can carry.
(91 = 615 kg per tire)
6. V β Speed Rating
β‘οΈ Max speed capability.
(V = up to 240 km/h or ~149 mph)
β
Pro Tips:
β’ Always match new tires with your carβs specs.
β’ Refer to your ownerβs manual or door frame label.
β’ Donβt ignore speed/load ratingsβthey affect safety!