My spring has sprung, what next?
07-25-10, 07:21 PM
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My spring has sprung, what next?
Full story.... or skip to short version...
Last Friday, July 16, I had the bright idea to drive down to the short route our local club uses for a time trial. I had designs on doing a warmup, then a practice run, followed by a little ride in the area. Of course, the rain moved into the area, but I gambled that I wouldn't get me. Wrong! With bike on the rack, I got caught in the cats and dogs pouring rain. Nothing left to do but go home. So I did. Feeling disgusted I put the bike in the shed and dragged my soaking wet buttocks back in the house.
Fast forward to Saturday July 24, first attempt to ride this bike since the rainout. Stretch the legs , pump the tires, get set, get on and ride! About half a block, everythign is well, then I decide to shift onto the big ring and get the legs really warmed up. Click, pop, snap.... I'm not sure what the noise was, but it sounded funny. Ok.... let's see what happened, downshift to make sure everything is working...... ok, I said downshift..... maybe I missed, try again... I said downshift! .... nothing. Turn around, put'r back in the shed, grab the Fisher and head on out.
Short version...
The attempt to shift to big chainring works. It pulls the slack from the cable, and would move if it had to. The attempt to downshift fails. No movement, but I can hear the click in the shifter, and the action puts slack in the chain. I did not try to manually force the deraileur to move. There is a spring which is probably supposed to pull the derailleur when downshifting (my 'duh' moment), but it is no longer restrained by anything. I've already decided to let the pros fix it, but I'm curious if I will need a new one, or if it just a matter of putting the spring back in the right place.
Last Friday, July 16, I had the bright idea to drive down to the short route our local club uses for a time trial. I had designs on doing a warmup, then a practice run, followed by a little ride in the area. Of course, the rain moved into the area, but I gambled that I wouldn't get me. Wrong! With bike on the rack, I got caught in the cats and dogs pouring rain. Nothing left to do but go home. So I did. Feeling disgusted I put the bike in the shed and dragged my soaking wet buttocks back in the house.
Fast forward to Saturday July 24, first attempt to ride this bike since the rainout. Stretch the legs , pump the tires, get set, get on and ride! About half a block, everythign is well, then I decide to shift onto the big ring and get the legs really warmed up. Click, pop, snap.... I'm not sure what the noise was, but it sounded funny. Ok.... let's see what happened, downshift to make sure everything is working...... ok, I said downshift..... maybe I missed, try again... I said downshift! .... nothing. Turn around, put'r back in the shed, grab the Fisher and head on out.
Short version...
The attempt to shift to big chainring works. It pulls the slack from the cable, and would move if it had to. The attempt to downshift fails. No movement, but I can hear the click in the shifter, and the action puts slack in the chain. I did not try to manually force the deraileur to move. There is a spring which is probably supposed to pull the derailleur when downshifting (my 'duh' moment), but it is no longer restrained by anything. I've already decided to let the pros fix it, but I'm curious if I will need a new one, or if it just a matter of putting the spring back in the right place.
07-25-10, 07:31 PM
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It's hard to say but it looks like the inner (towards top of photo) leg of the spring snapped off. If that's the case the derailleur is toast. BTW- I don't think the weather was a factor, unless prior rusting ate away at it. It was just it's time.
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FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
07-25-10, 08:20 PM
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Thanks for the info!
Hopefully they can fix it quickly so I can still do an organized ride this weekend.
Hopefully they can fix it quickly so I can still do an organized ride this weekend.
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