Polar CS Cadence Sensor Magnet Set Easy-to-attach magnet set for CS cadence sensor™1 for an easy and quick replacement Buy Polar CS Cadence Sensor Magnet Set from Chain Reaction Cycles, the world's largest online bicycle store.
This Replacement CS Speed Sensor Magnet Set from Polar attaches to the front wheel spokes. The Magnet set can also be used with bladed spokes.
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