Re-assembling shimano ST MO20 shifter



netjockeyca

New Member
Apr 29, 2006
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Does anybody know where I can find a diagram for this Shimano ST MO20 shifter? I need to reassemble my shifter. It is a 7 speed. I took it apart and completely cleaned it out and oiled it but do not understand shifter mechanics. There are some gears and what not in there.

Maybe somebody will be able to help me?

Thanks.
netjockeyca
 

rek

New Member
Aug 31, 2002
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Shimano's web site has exploded parts diagrams of a lot of their stuff, I'm not sure how complete it is though. It might skimp on details for their lower-end groupsets.

As an FYI, you don't need to perform any regular cleaning/lubrication of Shimano shifter pods: they are intended to be maintenance-free for life; if they get to such a poor state where they need to be cleaned or lubed on the inside to work again, they're pretty much on life-support and will break again soon.

(That being said my mountain bike has some heavily-abused 5 year old shifter pods on it, and feel just as crisp as a brand new set I have lying in a box somewhere)