I'm using 4.0x18 Avon MK2s on my build and am wondering if the tube listed below will work. It seems like the imperial dims only go to 3.5" but the metric go to 120/80-18, which seems to me should work? Any feedback appreciated.
Michellin Street tube
18" Type A = TR6
100/90-18, 110/80-18, 110/90-18, 120/80-18, 3.25-18, 3.50-18 (P/N - 45907)