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That's not even a North America only thing, as far as I know the format mm-%R/D" (175-65R14) is used universal. Of course only vintage cars have diagonal tires
by rypskar 8y ago
That's not even a North America only thing, as far as I know the format mm-%R/D" (175-65R14) is used universal. Of course only vintage cars have diagonal tires now so you will probably not see a tire with D
- zyx321 8y agoCan confirm: Car and motorcycle tires are measured in inch diameter, bicycle tires are measured in inch circumference.