Polar S3 Stride Sensor W.I.N.D.

Price: £104.50
POLAR S3 Stride SensorTM W.I.N.D.

The Polar S3 stride sensor comes with the new RS800sd. It features nano technology for highly consistent and accurate speed/pace and distance measurement and cadence data. Fully compatible with the adidas adiStar Fusion running shoe. User replaceable battery, excellent water resistance. Option for RS800. 
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