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Chain problem, not sure if chain suck

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Chain problem, not sure if chain suck

Old 04-29-12, 05:15 PM
  #1  
David_Strang
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Chain problem, not sure if chain suck

Recently when I'm pedalling up a steep hill, in the smallest chain ring (of 3) in front, the chain gets stuck between the 2nd and 3rd chain rings in the front. The strange thing is that its not when I'm shifting, am already in the small chain ring and going at modest pace, no special load. previously have had very occasional chain suck while shifting, this is not that.

When this happens, it seems that the chain has skipped off the back cog, down from the 2nd or third largest to the fourth largest. perhaps then its too loose and gets caught up in front? but do not know why it would skip off the back.

chain and cog are used, maybe chain is stretched and need to get new one. recently cleaned chain and cassette and front ring extensively, maybe without all the crud it can slip off more easily?

bike: rivendell, set up for touring.

anyone had similar problem or any advice?
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Old 04-29-12, 05:19 PM
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rhenning
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Are you using the small front and the small rear cogs? Roger
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Old 04-29-12, 06:08 PM
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AlphaDogg
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If you are crosschaining, that can explain your problems. Don't crosschain.
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Old 04-29-12, 06:29 PM
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Let me get this straight you are JRA (Just Riding Along) climbing up a hill in the small chain ring, when suddenly the chain skips off small chainring, towards the middle ring, while simultaneously on the rear cassette, the chain skips down a cog; all without you touching a shifter. Is this your problem?
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Old 04-30-12, 07:47 PM
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David_Strang
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yes
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Old 04-30-12, 07:47 PM
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small front large rear
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Old 04-30-12, 07:49 PM
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yes exactly. dont know if its simultaneous, but when i hop off, thats the situation

Originally Posted by onespeedbiker View Post
Let me get this straight you are JRA (Just Riding Along) climbing up a hill in the small chain ring, when suddenly the chain skips off small chainring, towards the middle ring, while simultaneously on the rear cassette, the chain skips down a cog; all without you touching a shifter. Is this your problem?
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Old 04-30-12, 07:49 PM
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nealjoslyn
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Originally Posted by David_Strang View Post
small front large rear
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