Originally Posted by
Iride01
Just the OP apparently is having issues. I still have my garmin quarter turn mount for my edge 500 using the same two o-rings I put on it 10 years ago. And Garmin gave me a a lot of extras too that I still am waiting to use. Most sensors and crank magnets I have nylon wire ties holding them on.
+1. I bought spares probably 10 years ago when Garmin came out with the quarter mount and have never broken one