Power Option for Polar S-710 & S-720i - $349.99
Buy It! for Only $349.99
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Measures your power output via chain tension, it will also tell you which foot is doing more work, to help you even out your pedal stroke and increase efficiency (Power Kit includes wired cadence). Must be used with Polar S-710 or S-720i. Cycling, Bike, Bicycle, Heart Rate Monitors, Heart Rate Monitor Accessories, Power Option for Polar S-710 & S-720i, fitness, triathlon, gear

Our Price: $349.99
STOCK# 13933

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