275 tires

275 mm across the tread — about 10.8 inches — on rims from 15 to 24.5 inches. 108 sizes in all. The second number changes the height, not the width.

15-inch rim — 10

16-inch rim — 10

17-inch rim — 10

18-inch rim — 10

19-inch rim — 10

20-inch rim — 10

21-inch rim — 10

22-inch rim — 10

22.5-inch rim — 5

23-inch rim — 10

24-inch rim — 10

24.5-inch rim — 3