There was a 406 wheel Moulton - Pashley APB that may have been a good off pavement bike..
[I own a heavy rider disc Rohloff pocket Llama]
[R'off chain tensioner a lot further off the dirt, than a long cage RD to attempt to get a similar gear range]
...
Last edited by fietsbob; 05-23-18 at 08:18 AM.