Question about Shimano Cycling
Left shifter has stopped working. have purchased new left and right shifters, but how do i install the new.
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Posted on Jan 02, 2017
You can download an exploded diagram of the 7900 series STI shifters here:
You can reassemble them according to this diagram.
Posted on Jul 07, 2009
HERE is Shimano's exploded-view diagram of the shifters, but it really only gives you a ballpark idea of the assembly. You will have to piece the rest together from memory, i suppose. Sorry, i could not find more information for you.
Hope this helps a little,
Posted on Oct 08, 2009
log onto Shimano.com, it is probably the limit screws (the two screws that limit travel) or you have a faulty ratchet in the lever, try the shimano website anyway they have great tutorial and manual support
Posted on Mar 27, 2010
The answer is yes and no.
The 5703 shifters will work both derailleurs and match the 6603 group as they are both 10spd.
The Tiagra will not work because it is 9spd, it will functionally shift the derailluer but you will not be able to line up the gearing.
The rear shifter needs to match the number of gears on the back (cassette) in the case of the 6603 group that is 10spd, so you can use any 10spd rear shifter from shimano. The Tiagra is either an 8spd or 9spd depending on the model and will not work with the cassette. You can use a 6603 rear derailleur with a Tiagra group, as long as the shifter and cassette are both the same.
Posted on Dec 14, 2010
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