Bike Forums - View Single Post - Problem: Eccentric Bottom Bracket with Constantly Changing Chain Tension

01-25-10 | 10:03 AM

#5

DieselDan

Senior Member

Joined: Mar 2003

Posts: 8,521

Likes: 2

From: Beaufort, South Carolina, USA and surrounding islands.

Bikes: Cannondale R500, Motobecane Messenger

The chain ring can be both out of round and off center. Center it and see if chain tension becomes more consistent.

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