I have a small nail in my rear 20" ContiSilent tire. Continental says it is repairable. I called America's Tire in Gilroy, they said due to the tar to glue the foam, it is not possible to repair. I also called Brokaw America's tire, the guy who answered the phone never heard of it. I am not ready to pay $350 for that nail. Anyone had any luck with a San Jose area tire repair shop?