are there any clearance issues with the 160 tyre.
was thinking of trying the bt14 or new bt16 but they only come in 160 width.

do they come in a 160/18 size as well?

You might have issues with chain clearance and the fact it might not handle any better...

tried 90s and 92s prefer the profile of the 90 but wear out the middle too quick.
92s are great but run right on the edge of the tyre and the sides wear down too quick.
also the sides on the 92s seem softer than the 90s ??