Still have mine as well. Have not run in years, but do have some new old stock wheels that have not been mounted. A few years ago I talked to BSR, and they were receptive, but I also run their tires on all my foam cars.
Darkside, Sweep, BSR, Fantom, IGT Hobbies and IGT8
Byrons Fuel, ProtoForm Bodies & Futaba Radio Gear by Choice
Founding Member of CORRC .... 5280raceway
www.darksidems.com www.igthobbies.com www.IGT8.com