+1
THat is the right answer - for $250.
You could also put on a slumpf drive on the crank, but that is only 2 speed and about the same cost.
Schlumpf Innovations Gearing Systems - Speed Drive, Mountain Drive, High Speed Drive
Originally Posted by
fietsbob
Sram and S-A offer hybrid IGH cassette combination rear hubs, there is an internal 3 speed so you can use only 1 chainring.
requires 135 wide rear spread
narrow fixies 120 are only practical to put a 3 speed hub in them , though there is this kit :
Six Fyx Conversion Kit | Fyxation