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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 03-26-07, 11:12 AM   #1
kokomo61
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Flipping chain?

I've had a problem with upshifting into my big ring on my OCR C2 - When I go from the middle to the big ring, most times it shifts OK, and if I try to shift again, the brifter lever won't budge, so I was assuming that the derailleur was adjusted properly.....but more than once, I've upshifted, and the damn chain has flown completely over the chainring. Most times, just downshifting puts it back in place, but yesterday, I got it locked up in the chainring, and had to pull over to untangle the mess....

...so, what's out of adjustment here - is it the FDR, the brifter, or the chain itself?
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Old 03-26-07, 11:51 AM   #2
kartoffel
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is it the FDR, the brifter, or the chain itself?
It's probably your Franklin Delano Roosevelt. It's shifting beyond the big ring because the upper limit screw lets the cage move too far.
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Old 03-26-07, 11:59 AM   #3
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I'll check that - I need to clean the bike after this weekend anyway, so I'll check the upper limit screw once I put it on the stand.....
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