Avon 205/55R16 ZV7's are factory OE on the 3.7 Roadsters with 7 x 16" rim option and I believe others. No complaints myself and they seem to be well regarded after market on most trads.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone