David Billington writes:

In the UK and I expect elsewhere in the world you can get solely metric
dimensioned tyres and even in the UK be sitting down when you get told
the price, often about 3 times that of a similar sized inch diameter tyre.

But we're talking the civilized world, not the island responsible
for B-L, Lucas electrics, and SU carbs & fuel pumps....

"Why use one part, when two will do the same job half as well?"

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