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  1. #1
    Senior Member Lewis_Moon's Avatar
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    Front Der. spring tension; Shimano 7400 higher than Campy 10?

    I have a Shimano 7400 front derailleur mated to a set of 2005ish Campy Chorus 10sp brifters. When I'm on my SL/SP Paramount, in the big ring and out of the saddle, it often shifts down on me. I've noticed that the spring on my particular FrDer is quite stiff, stiffer than I remember any previous FrDer.
    Is it the FrDer/brifter combo or am I daft and just swinging the BB like the hips on a Hula Dancer?
    A new hip and a 2005 Lemond Poprad...This will not end well.

  2. #2
    Senior Member miamijim's Avatar
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    It's probably a compination of both. Those early 7400 FD's have stiff springs....
    WWW.CYCLESPEUGEOT.COM 2005 Pinarello Dogma; 1991 Paramount PDG 70 Mtb; 1976? AD Vent Noir; 1989 LeMond Maillot Juane F&F; 1993? Basso GAP F&F; 1989 Terry Symmetry; 2003 Trek 4700 Mtb; 1983 Vitus 979

  3. #3
    Andrew R Stewart Andrew R Stewart's Avatar
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    Feb 2012
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    Rochester, NY
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    Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Raleigh Pro, Trek Cycle Cross, Mongoose tomac ATB, GT Bravado ATB, JCP Folder
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    Additional points- The Ergo ft levers like to have the "g" spring fully in the index wheel notch when in the big ring. Another words if the cable tension is too high the lever's internals might not be fully ingaged and will more easily slip a click under frame flex (which tugs the cable a touch). Also the "g" spring could be worn.

    I had this problem with my commuter and finially (after living with the slipping issue for many miles) replaced both the spring and the index wheel. problem is gone now. Andy.

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