Tire Calculator
Type a tire size and instantly see its diameter, width and sidewall.
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/R
Width (mm)
Aspect %
Rim (in)
Results
Diameter
472.8
Section width
120
Sidewall
84
Circum.
1485
Revs/km
673
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Available Tires 120/70 R12
No tires found for size 120/70R12