Amazon carries a tire that might work for some of you.
I have no experience with them. Just passing it along.
Maxxis MA-1 90S
60,000 Mile Manufacturer Warranty
White Wall
Passenger Tire not Trailer Tire
420BB UTQG
Performance Radial
http://www.amazon.com/P185-80R13-Maxxis-MA-1-White/dp/B00CJG0...