Hey guys, this problem is really stumping me.
When I shift to the big ring, the chain keeps jumping off my bike to the outside, and I've adjusted the derailer back and forth in hopes of getting it to stay. Now the derailer is to the point where it barely pushes the chain over far enough to the big ring - but still the chain jumps track!
Finally, I noticed it seemed like the chain wasn't catching properly and took this picture of it balancing atop the cogs.
Has anyone seen this? I'm wondering if something is worn out and needs to be replaced, or is it a matter of something misaligned.
Any ideas help.
Thanks!
Davey