Originally Posted by
dedhed
When I commuted regularly before retiring it didn't take long to add replace cable when replacing chain annually. 6600 Ultegra
cable frayed at shifter won't allow the cable to release.
Yup! Very common sight! 6600 were some of the less troublesome regarding this problem. Later generations were worse.
Unfortunately, cable fragments often get stuck inside the shifter. There is no way to open up the shifter and remove them. They aren't serviceable.