Towing JKU Wrangler with wide wheels?
I think you mean a 12" wide tire, not a 12" wide wheel. I have 33"x13.5 tires on 10" wide wheels. Many folks here flat tow lifted keeps with oversize tires. Not a problem.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.