[Gough]

I have a wide set of rims and a narrow set steelies for my 99 jimny, which would be better to have a set of 215 75 15 at tyres on ?

[sideways]

Narrow/standard rims. A narrower rim will hold onto the the tyre better allowing you to safely run lower pressures offroad.

[Gwagensteve]

X2 215's seem happiest on stock rims (5.5")

Steve.

[kristov]

my 225s are perfect on stock rims if only they had bit more offset

[neofitou]

215s on standard rims:

[Mike57]

I went an extra 1/2" to 6" rims and the 215's still seem to be good on that size.

[Gwagensteve]

I don't think there's anything wrong with 215's on 6's either. They get pretty stretched out on 7's though.

Steve.