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  1. #1
    South Carolina Ed
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    Mar 2007
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    Family pool bikes - 73 Holdsworth Super Mistral, 79(?) Macario, 86 Bianchi Brava, 93 Viner Nemo, 07 Bottecchia Euro Team, 07 Windsor Fens, 07 Tommasso Mistral
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    Ghost shifting remedies?

    I have a couple of old steel bikes that have problems with ghost shifting. One is a 93 Viner Nemo with late 80's Athena friction shifters and an Athena RD. The other is a more noodley 73 Holdsworth with Suntour Sprint shifters and a Nouvo Record RD. Both ghost shift when I stand on the cranks going up hills. Other than really tightening up the shifter screws, which I don't like the feel of, are there other ways of dealing with the problem? Thanks.

  2. #2
    Senior Member
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    Sounds like you're suffering shifting due to frame flex. As you've noticed, increasing the pressure of the shifters' friction plate will solve the problem. Often this is a delicate operation.

    Retrofriction/ratchet shifters and indexed shifters are both less susceptible to this problem.

  3. #3
    Too many hobbies! steve-d's Avatar
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    Are you sure it isn't chain skip? Does the chain actually shift into another cog?

  4. #4
    Senior Member
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    I had the same problem on an old Fuji Touring series IV, it was like having an automatic transmission. I replaced/upgraded the rear derailleur on the recomendation of my LBS it went away.
    You go where you look

  5. #5
    South Carolina Ed
    Join Date
    Mar 2007
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    Quote Originally Posted by steve-d View Post
    Are you sure it isn't chain skip? Does the chain actually shift into another cog?
    It does shift onto the next smaller cog. It is due to frame flex. I did grease the shifter components when installing them. Perhaps I should clean all the lubricant off and readjust them. I'd like to avoid a heavy throw on the shifters.

  6. #6
    Senior Member
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    Usually this happens from friction where the derailleur cable is routed around the bottom bracket. When the frame is flexing the cable moves with it. If you reduce the friction in the area, the cable will float and not move with the frame.

    Usually a few squirts of chain lube onto the cable where it is routed around the bottom bracket fixes this problem. If that does not work try replacing the cable with a new high quality teflon coated one (don't use cheap ones).
    Last edited by prof2k; 10-05-09 at 09:53 AM.

  7. #7
    Senior Member
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    On one bike I had with the friction problem on the BB, lube kept wearing off so I went with a nylon or delrin (plastic anyway) cable guide from a moountain bike, problem went away for good.

    Ken.

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