Thread: Chain Jam
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Old 05-18-20 | 09:31 AM
  #15  
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cyccommute
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Originally Posted by Pratt
No, not a new spread for toast. Shifting onto the biggest cog, while on the small chain ring caused a jam, the other day. Since I was going up hill at a really low rate of speed, The bike immediately stopped and I fell over. The second time, I was ready and did not fall over. The chain looked like it was riding up on the upper jockey wheel on the derailleur.
Chain rings are 46-36-24, rear cog is 30. Suntour cogs and derailleurs on a Bruce Gordon.
Any ideas?
Where did the chain jam? Did it jam at the chainstay or elsewhere? I’d suspect classic chain suck caused by a burr on a chainring.
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