Originally Posted by
workout
I have a Santana tandem with a shimano derailleur and ultrgra shifter. When I am on the large sprocket and want to go to the middle it will fall to the small and I will have to come back up to the middle. What adjustment would take care of this problem? Could there be a problem in the shifter?
Do the whole procedure
http://www.parktool.com/repair/readhowto.asp?id=75
I'm going to assume you're talking about the front chainrings about this problem.
Last edited by operator; 09-21-08 at 07:51 AM.