On Monday, March 11, 2013 4:41:22 PM UTC-4, Shoji Takahashi wrote:
>
> Thanks, Jim, RE: conjecture. Does chain suck happen more often with 
> certain types of derailers? I would guess that ones with weaker 
> chain-tensioner springs would chain suck more often. (Perhaps something 
> w/long cage vs short cage given the chain angle.) Seems like the chain-suck 
> descriptions I'm familiar with (=not many) don't mention the rear derailer 
> used. 
>
> Then again, this is probably starting to over think the situation, and I 
> need to go out and ride more. :)
>
>
>  That may be part of it, as well as "monkey see problem in another, monkey 
start to have problem".  The springs in modern derailers are weak compared 
to those from even the 7,8 speed ones.  I have a Shimano LX rear 9sp. that 
flops the chain all over the place with bumps, but an XT 8 speed and older 
Shimano from the 80's do not. 

That said, I still have not experienced , ever ... lol.  

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