I've used the Avon Storms for a few tire cycles now with no issues. The Metzlers were a bit hard for me but lasted a long time. Tires for the C-10 are out there, you may need to get a little creative in finding them. Dealers have all sorts of connections to find things, well, most do if they want to help you. Your tires are at their fingertips, the problem being they may cost a bit as they need to get them to you. Good luck, those of us who still have C-10's have all gone through your situation lately, you will find tires, they are out there, you just need the connection.