Originally Posted by
mdilthey
I have a date with my bike mechanic to try and diagnose the faint sensation of vibration in the bottom of my cassette (currently 32, soon to be a 36). Is that cross-chaining I'm feeling? It wasn't so bad that I felt like I should stop, but it was noticeable at slow speeds.
It might be cross chaining, or maybe you just need to adjust the derailleur a tiny bit. Is your front ring in line with the center of the cassette so that you minimize the angle for the top and bottom gears?