Bike Forums - View Single Post - Chain Suck, part replacement

08-18-15 | 04:20 PM

#14

cyccommute

Mad bike riding scientist

Joined: Nov 2004

Posts: 29,167

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From: Denver, CO

Bikes: Some silver ones, a red one, a black and orange one, and a few titanium ones

Quote:

Originally Posted by bikeman715

A short chain doesn't cause chain suck . What does cause chain suck is a front derailleur being out of adjustment .

Nope. Derailer adjustment has nothing to do with chain suck. Chain suck happens when the chain remains connected to the teeth and pulls the chain upward instead of chain being released at the bottom of the ring. This is due to a bent tooth or a burr on the tooth. The teeth on the ring can be bent back (maybe and very gently) or the burr can be filed off.

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