Buy 165/55 R13 Tyres

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165/55 R13 Numbers Explained

165/55 R13 is the original equipment for the Fiat Cinquecento Sporting and Seicento Sporting models. The numbers are simple. The 165 means the tyre width in millimetres, the 55 is the aspect ratio, so 55% of 165mm gives you 91mm. R13 means a radial tyre on a 13-inch rim, for an overall diameter of 512mm. The low side wall suits compact wheels on those models of Fiats. Tyres.co.uk stocks 165/55 R13 including the XL versions.

Part of the sizeValueWhat it means
Section width 165 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 55 Sidewall height as a percentage of the width - here, 55% of 165 mm (about 91 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 90.8 mm (3.57 in)
Overall diameter 512 mm (20.1 in)
Circumference 1,608 mm (63.3 in)
Revolutions 1,001 per mile · 622 per km
Equivalent sizes
SizeOverall diameter
145/70 R12 508 mm · -0.8%
175/50 R13 505 mm · -1.3%
165/60 R12 503 mm · -1.7%
155/70 R12 522 mm · +2.0%
185/60 R12 527 mm · +3.0%