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  1. #1
    Junior Member
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    Moving suntour downtube shifters using these thumbies?

    I have a bike setup with Suntour BL components. I'd like to move the downtube shifters to the bars if possible.

    In doing some research, I found these:
    $(KGrHqRHJFcFDT!1UV)nBQ4T-nfiGg~~60_57.jpg

    Would these work with Suntour BL components? They are rated for 10/12spd. I also have a set of vintage suntour XC thumb shifters and I'm wondering if they could be configured to work with my existing drivetrain.

  2. #2
    S'Cruzer pierce's Avatar
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    those shifters in your picture look like friction, so they should work with anything. ditto the suntour thumbies.

    I've run friction with newer 8 speed HG cassettes, and found that the rear shifting was a little twitchy, the HG cassettes really wanna grab the chain and move it to the next gear, so finding the sweet spot is a little harder than it was with old school 5-6 speed freewheels where the teeth were straight.

  3. #3
    Old fart JohnDThompson's Avatar
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    SunTour "Blue Line" components date from the period of six or seven cog clusters and should work fine with those SunTour Bar-Con shifters. If you intend to use more cogs in the rear you may find that a deft touch is needed to prevent overshifting. The XC thumb shifters should also work fine with the Blue Line derailleurs, with the same caveat.

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