I reckon a 42mm tyre would be fine, if this is anything to go by.
No, 42mm is 1.75, The 1.5 tyres is already too tight as it is.
My bad, misread a different comment!
You could crimp it on the inside couldn't you, to get more room.
@edscoble started
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I reckon a 42mm tyre would be fine, if this is anything to go by.