Thread: Adding a 3-speed internal hub
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Old 08-01-15 | 10:50 AM
  #2  
fietsbob
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From: NW,Oregon Coast

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you mean a dual drive ? Cassette + a IGH ; or just a 3 speed IGH ?

dual drive hubs require a 135 wide rear dropout frame. 3 speeds are available with shorter axle versions.

For Brompton Etc. they S-A make them in a sub 120mm width.
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