Originally Posted by
danmc
While riding on MUPs, which I don't do any more but used to do a lot, my experience was that the majority of people either didn't hear the bell or reacted in an unpredictable manner, such as jumping into my path or turning around startled. Only a minority moved over to the right.
Then you need to ring it sooner. I ring mine about 100 feet back and start coasting. Unless they have earphones in, they hear it, look back, and move over. I give a friendly "Hello" when I pass and get back up to speed.