Thread: need a good OBS for convering a MTB into a commutmobile
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Old 05-17-05 | 07:50 AM
  #6  
DerekU2
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Joined: Apr 2005
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From: Boston, MA

Bikes: 2005 Orbea Dauphine, 1997 GT Timberline

Originally Posted by ajst2duk
Uh - a 21 speed is a 7 speed triple, a 9 spd triple will give you 27 speeds??
But why can't he convert to a 9 speed single? I know nothing about bicycle mechanics (yet), so I'm curious.
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