Icarus Cadence Magnets????

Bazzowmb
Bazzowmb Posts: 227
edited September 2013 in Road buying advice
Just stumbled across the above cadence magnets on EBAY for use with Garmin's, Cateye's etc.

Seems like a good idea in principle but I could not find much info on them and they all seem to be supplied from the US at present.

Has anyone given them a go and if so how do you rate them?

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