Chain Suck Problem

Governor_Knoc
Governor_Knoc Posts: 61
edited June 2010 in MTB workshop & tech
Whats up everyone,
I have a 2000 Gary Fisher Sugar 3 that I have rebuilt to almost new condition. This includes a new front derailleur, new rear cassette, small and middle gears replaced, new chain, new tires, new cables, upgraded pedals to Time ATAC and a 2005 rockshox sid carbon fiber is on the way from a friend. I have been working with a mechanic to get all this installed and tuned up since I am not one myself.

Anyway, I was riding the Charlotte Whitewater Center yesterday and started to notice a good bit of chain suck (chain getting pulled into the frame) when down shifting from my middle to small front gears. It was extremely dusty out there so I was wondering if this could have anything to do with it. I looked at my chain, and to my untrained eyes, it seemed a little loose. Any ideas on how to fix this? Would a lizard skin help or is this caused mostly by a loose chain? As always, thanks for the input.
Downhills help my asthma.

Custom 2000 Gary Fisher Sugar 3

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