Shimano Tiagra indexing...HELP!

Discussion in 'Bicycle Mechanics and Repairs' started by jonny jeez, 16 Aug 2012.

  1. I decided to tighten the adjuster barrel on my tiagra rear mech (spech allez elite) as the high gear was skipping a lot (refusing to engage often).

    I assumed a simple tighten would do the trick.

    It didnt.

    So I decided to start from scratch, I let off the cable from the rear mech and adjusted the barrel to the max (clockwise) so that I could tighten it from the smalles cog (high gear) position.

    I turned the crank and adjusted the barrell til it moved up a gear, then I selected the next gear and turned the crank...

    Nothing...the gear selector wont move any more (seems over tight) yet if I loosen it I cant select the smallest cog (high gear).

    I appreciate I can wheel her into the LBS but I really want to understand whats happening and fix it myself.

    Any helpful advice or web resources would be greatly appreciated.

    Jonny
     
  2. ianrauk

    ianrauk Tattooed Beat Messiah

    Location:
    Atop a Ti
    Here you go.. this may help
     
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