Tyre Size Explained

Tyre size determines width, aspect ratio, rim size and construction type.

Passenger & Light Vehicle Example

245/70R16

  • 245: Width in mm

  • 70: Aspect ratio (sidewall height % of width)

  • R: Radial construction

  • 16: Rim diameter in inches

OTR Example

46/90R57

  • 46: Width in inches

  • 90: Aspect ratio (sidewall height % of width)

  • R: Radial construction

  • 57: Rim diameter in inches

TyreFinder Insight

Correct sizing ensures fitment compatibility, performance and safety.