Part Wanted I3 tyre(s) and/or rim(s) wanted - New Zealand

[Ridingmore]

Hi all, as with most new owners, I'm looking for a spare tyre and rim combo, one I can throw in the back for long journeys. It'll need to be the narrower 155 70 R19 so I can use it both front and back (I've got a Rex). Although I'd also consider a whole set of 4 (with 2 of each tyre/rim sizes) in the 19" rims. Anyone in NZ (or maybe Aussie if shipping is cheap) with something they'd be happy to sell? I'm based in Wellington, but travel around a bunch so could potentially pick up anywhere. Thanks in advance,

Cheers Tim