Cretingham Crank Co. Triumph
Spied this Triumph at Haywards, the Royal Enfield dealers in Cambridge today. Lots of bespoke components on this. Googling the Cretingham Crank Co. reveals that this was one of a number of bikes built by Gilbert Sills. If you like this kind of thing, it’s well worth spending a little time with your favourite search engine to see some more of his creations.