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Even a small change to your cadence or stride length can dramatically improve your running performance. This sensor provides accurate data about the speed, pace, and distance of your runs so you can assess your technique and get the most out of your training.

  • Firm shoe attachment keeps the readings accurate.
  • Shock-resistant, water-resistant design for demanding conditions.
  • Data is used in to calculate your Running Index for monitoring and improving training.
  • Compatible with Polar training tools including the RCX5 Monitor.

Tech specs

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Ideal for Running
Made in China