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Polar S520 - Service or Replace? Replacement Suggestions?


Aug 14, 2012
I have an old Polar cycle watch/computer with HRM and Cadence floating around from 2002 I think its a S520 (yes...its been a while since I was cycling). I'm investigating getting batteries replaced etc, but I'm thinking there must be something out there that does HR and Cadence for what it's likely to cost me to revive the old Polar. The Garmin Edge 500 is over my budget by 2x or more!. I've seen some Cateye and Ciclosport ones on CR and Wiggle but it doesnt look like you can upload data and review/compare.

Any Suggestions???

I seem to recall my old Polar had a few issues with picking up sensors with my large headtube / frame anyway!



May 8, 2012
I had similar problems with a Polar (some anomalies from the sensors) and upgraded to an Edge 500 years ago. I can't comment on othe brands these days but it's worth increasing your budget for a 500 or keep looking around for one that's second-hand (on Ebay or wherever). The sensors are pretty accurate, the batteries are easy to change plus all the other data a 500 can record make it worth the price.
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