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Front derailer stopped retracting onto small ring

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Front derailer stopped retracting onto small ring

Old 08-05-16, 05:59 PM
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Von Stively
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Front derailer stopped retracting onto small ring

So, less than a year old shimano 105. It just got super sticky retracting or springing back into small ring position. I can move it by hand with cable connected and disconnected. But it won't spring back on its own. Cable just goes slack.

I'm 48 and I've never had a front derailer get sticky like this. I keep things clean and lubed. Can't see anything broken.

Not a huge deal, a new one isn't too much $$. But I can't stop thinking about what is wrong. Anyone else ever get this type of situation?
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Old 08-05-16, 06:13 PM
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nfmisso
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Guesses:
* spring popped off the pin.
* spring broken.
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Old 08-05-16, 08:35 PM
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Originally Posted by nfmisso View Post
Guesses:
* spring popped off the pin.
* spring broken.
*grit jamming the pivot
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Old 08-05-16, 09:35 PM
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joejack951
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Originally Posted by dsbrantjr View Post
*grit jamming the pivot
And from experience, it doesn't take much.

Dowse it in lube while moving it around by hand. It ought to free up eventually. If it doesn't, then you might have had bad enough luck to get one with a bad spring, spring stop, or pivot.
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Old 08-06-16, 07:43 AM
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Von Stively
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Thanks

Thanks for replies,
Drenched in lube, very clean and spring seems anchored. It'll move by hand but very difficult. It's such a simple mechanism. Nothing looks broken but maybe a pivot pin snapped and I can't see it?? Going on vacation next week so I'll probably throw a new one on today if local shop has one. Thanks again!
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Old 08-06-16, 08:05 AM
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Un hooked the cable and it still does that ?
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Old 08-06-16, 01:55 PM
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Von Stively
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Free at last

Took it off bike and just worked it by hand and kept soaking it with silicon spray lube. Back and forth, back and forth until it sprung back. Must have just been stuck. Moisture? Grit? IDK looked fine and clean Strange.
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Old 08-06-16, 09:36 PM
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Originally Posted by Von Stively View Post
Took it off bike and just worked it by hand and kept soaking it with silicon spray lube. Back and forth, back and forth until it sprung back. Must have just been stuck. Moisture? Grit? IDK looked fine and clean Strange.
BTDT. As I said, it doesn't take much. Thanks for the update and glad to hear you got it sorted it out.
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