Buy 135/80 R13 Tyres

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135/80 R13 Tyre Dimensions

135/80 R13 is an older small-car size for Fiat 126s and early Fiat Pandas. The numbers are simple. 135 is the tyre width in millimetres. 80 is the aspect ratio bringing the sidewall to 80% of 135mm translating to 108mm. That cushions rough roads for these cars. R13 stands for a Radial tyre on a 13-inch rim that gives an overall diameter of 546mm. We stock 135/80 R13 at Tyres.co.uk including the C marked versions.

Part of the sizeValueWhat it means
Section width 135 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 80 Sidewall height as a percentage of the width - here, 80% of 135 mm (about 108 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 13 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 108.0 mm (4.25 in)
Overall diameter 546 mm (21.5 in)
Circumference 1,716 mm (67.6 in)
Revolutions 938 per mile · 583 per km
Equivalent sizes
SizeOverall diameter
155/70 R13 547 mm · +0.2%
155/80 R12 553 mm · +1.2%
145/80 R12 537 mm · -1.7%
155/65 R14 557 mm · +2.0%
145/70 R13 533 mm · -2.4%
155/65 R13 532 mm · -2.7%