Thread: Modding a Franken-Brompton
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Old 12-16-14 | 01:00 PM
  #24  
fietsbob
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Yea the smallest cog is a 20t on those.. bolting down a Derailleur claw and using a Non Brompton chain tensioner may work Too .. single pulley

looks like the Blogger wanted to use a Double crank Too.
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