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  1. #1
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    5 Speed Schwinn Twinn Deluxe Tandem Shifter

    Hello, I just bought this tandem on Craigslist. It is a late 60's or early 70's model. It is stuck in5 th gear. It will shift down to 1 st by moving the shifter lever but as soon as you let go it shifts right back into 5 th. gear. Any advice on how to adjust it would be greatly appreciated, thanks, Huck L Berry

  2. #2
    Senior Member
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    Quote Originally Posted by Huckleberry22 View Post
    ...as soon as you let go it shifts right back into 5 th. gear.
    To fix this, tighten the wing nuts on the sides of the "Twin Stik" shifter. This will increase the friction so the shifter will hold against the force of the derailleur spring. You can see the wing nuts on the left and right side in the following picture:


  3. #3
    Senior Member
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    Nov 2005
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    NW Ohio
    My Bikes
    1984 Miyata 310, 1989 Club Fuji, 1986 Schwinn Sierra, 2011 Jamis Quest, 1980 Peugeot TH8 Tandem
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    If the wing nuts are fairly tight and still slip, you may have to take it apart and clean everything. Just unscew the wing nut and clean all the grease and dirt off the washers. Do one side at a time in case you mix up what order the washers go back in. Reassemble without any lubricant.
    1984 Miyata 310, 1989 Club Fuji, 1986 Schwinn Sierra, 2011 Jamis Quest

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