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  1. #1
    Senior Member canflyboy's Avatar
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    Shimano 2/3 shifter

    I had to replace my worn Tiagra 2 speed shifter. The LBS had a pair of 105's take off's at a great price. These shifters are typically listed as 2/3 speeds. Because I'm replacing a two speed, would I need to modify the left shifter in any way to work on a two speed vesus a three speed?


    1970 Raleigh Sprite, 1970 Raleigh Sports, 1984 Miele Road Bike SS, 2008Cannondale F400, 2009 Opus Avro 29er, 2010 Jamis Sonik, 2009 Blue CXC, 2009 Bianchi San Jose, Cervelo SL-SLC and a wife that loves me!

  2. #2
    sch
    sch is offline
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    No just adjust the FD limits as indicated for the double chainwheel and the triple
    brifter will work fine. Triples have actually four positions, with the middle two
    being about 2/3 or a bit less of a full shift to give you some vernier on the chain
    position in the FD cage reducing chain rattle at the ends of the cassette.

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