Originally Posted by
non-fixie
Maybe a Simplex Grand Prix. I haven't tried it yet - and Velobase doesn't have any data on max chain wrap and cog size- but it looks like there's some room to play with. This is with 24T:
Sorry to be offtopic, maybe it's just me but I want to soak that with degreaser. Pretty cool derailleur setup, though primitive by todays standards.