You could get one thru Kinetics ? Recumbents, Folding Bikes, Custom Bicycles | Brompton Forks & Rear Triangle, and get it with a Rohloff or Alfine with Disc Brakes ..


Swiss -Mountain Drive on my M3L gives the 3 speeds in the hub a second run through in low range. it was plug and play for me to install .


with a 349-35 wheel 50:13 ... direct.. 82.4~61,8~46.4 ... low range .. 33~24.7~18.5 ..