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Re: Convert Sturmey FM to 5 speed?

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  • David Bean
    Isn t the theory of operation for the FM the same as the FW? (To get the 5th high gear would require a bellcrank on the left end of the axle to push the
    Message 1 of 11 , Jun 26, 2013
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      Isn't the theory of operation for the FM the same as the FW? (To get the
      5th high gear would require a bellcrank on the left end of the axle to push
      the indicator back into the hub) Therefore the new high gear would be the
      complement of the sub-low first gear. You'd still have the 3 fairly close
      ratio gears but a super-high top gear. It would make for some funny ratios.
      Tell us about it if you do it.

      David Bean
      Arlington, MA USA
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