Last year I had the same problem trying to pick up the speed sensor signal. I emailed Polar about my problem and the sent me a different watch mount. It worked a little better but I still had to attach my watch mount to the quill. The only thing I did differently than you was to use a Profile computer mount so that I didn't have to contort my neck to read my speed and HR. The Profile computer mount is a big pain in the butt to install, especially a new one. Maybe someone else makes a better one.

http://www.tri-zone.com/Catalog/BikeIndex.html



It took a lot of patience, and trial & error. Take your time.

Good luck,

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E-Z

--It ain't a good idea to swim near MY bubbles!