Triple Front Derailleur Problem
I'm not the world's greatest bike mechanic but I like to figure things out. I have a triple that's been shifting fine. A few rides ago it was a bit hesitant shifting onto the small chainring. Today it refused to shift to the small ring at all. Back home in the repair stand I shifted to the small ring position and noticed that the cable went slack but the derailleur didn't move any further inboard. So it seems this is not a cable problem?
Trigger shifters on a recumbent. SRAM system. Ideas? |
Can you push the derailleur cage in by hand? Is something blocking it? When the derailleur stays by the middle ring is there any noise, any rubbing, setting in?
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After checking the above, check for mechanical damage to the FD--cage bent, or spun on the seat tube (or equivalent mounting area on your 'bent).
Then try loosening the low limit screw 1/4 turn at a time. If that doesn't do it, start from scratch and do the whole procedure shown in the Park Tools site, without skipping a step. Hopefully you have a stand for this. |
Problem solved. The derailleur was gunked up. A couple of baths withTri-Flow and it's working fine.
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Originally Posted by Goldrush
(Post 22146753)
Problem solved. The derailleur was gunked up. A couple of baths with Tri-Flow and it's working fine.
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Originally Posted by Jeff Wills
(Post 22147718)
Did you just not clean it for a couple years?
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Probably 2 things going on here. I haven't been routinely lubing the pivot points and also I live in a flat area. The only times I use the small chainring is on overpasses.
So now I'll be using the Tri-Flow monthly and shifting into the small ring on a regular basis. Thanks for the help. You for sure helped me sniff out the solution!! |
Originally Posted by Goldrush
(Post 22148006)
Probably 2 things going on here. I haven't been routinely lubing the pivot points and also I live in a flat area. The only times I use the small chainring is on overpasses.
So now I'll be using the Tri-Flow monthly and shifting into the small ring on a regular basis. Thanks for the help. You for sure helped me sniff out the solution!! |
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