Originally Posted by
BridgeNotTunnel
I do aspire to become my own bike mechanic but I do not trust myself enough at this time to try to do this work myself.
On occasions I have asked my LBS mechanic if I can watch while he works on my bike. This has been fine with him, but if a mechanic said it's not ok, then I would absolutely respect that.
I stand back so I don't get in his way, and keep my mouth shut - well more or less
YMMMV - your mechanics miles may vary