No idea, sorry. With a 40mm offset on a 16" wheel, there's no problem. But a 15" wheel seems like a not so great idea. If it was me, I would just purchase some 16" steel wheels and slap the winter tires on those. Steel wheels are inexpensive...
Vancouver, CA owner of a 2013 Ocean Blue SV + QC, purchased 01/2017 in WA
Zencar 12/20/24/30A L1/L2 portable EVSE
1-1/4" Curt #11396 hitch
After market, DIY LED DRLs
LeafSpy Pro + Konnwei KW902 ELM327 BT OBDII dongle
Loving my first BEV