There all the same generic type. Call them Steibel, Nautilus or whatever. Wouldn't be surprised if they are all made at the same Chinese factory as unbadged items then boxed and labelled for different world markets.

Richard

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