• Yes it is possible, just use a normal mountain bike disc hub, just use twosprockets, so you may as well use more frankly, Sturmey archer three speed disc could be cool but not too light

  • Thanks. Would this also need a new shifter/derailleur or is it possible to get the original 2speed Brompton shifter/assembly to work?

  • Using a replacement rear frame means no fittings for the stock The radio, so yes you need a new shifter and the derailleur as used on a normal bicycle.


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