Understanding tyre markings

Reading the sidewalls of a tyre

Learn to decipher the markings found on the sidewalls of your tyres.

XeoBib: Range
VF = Very High Flexion: Prefix designating a standardised tyre category
650: Nominal section width in mm
60: Aspect ratio (sidewall height/nominal section of the tyre) as a %
R: Structure: "R" for radial "-" for bias
38: Nominal diameter of the rim in inches
155: Standardised load index
D: Standardised speed rating
Radial: Construction type
Tubeless: Tyre without inner tube
Michelin® X®: Trademark

Edito tyre marking Help and Advice

Edito tyre marking Help and Advice

Le marquage d'un pneu agricole

Picto Tyre Dimensions Help and Advice

Picto Tyre Dimensions Help and Advice

Cotes dimensionnelles

Tyre and rim dimensions

 

Tyre
S: Section width of the tyre
R’: Radius under static load
R: Radius without load
D: External diameter, equal to 2 x R

H: Section height

Rim
Ø: Diameter of the rim
F: Internal width

The 42" series and its 38" equivalent 

 

picto tyre markings 4 help and advice

picto tyre markings 4 help and advice

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