brompton gear shifter?

[p90ade]

could anyone point me in the direction of a twist grip shifter for a 3 speed hub on a brompton please.

 

[Rohloff_Brompton_Rider]

www.sjscycles.co.uk


under hubs and gears. i don't think they are under the brompton sections

 

[chap]

Now that's an interesting idea...