Protern Sensor

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This is a replacement Protern Sensor (Original) for athletes who have lost or damaged their unit. It is compatible with the original Protern Bib. The Protern Sensor records speed, time, and position data 10 times per second. It weighs 35 grams and lasts approximately 6 hours on a single charge. A Protern Pass is required to download data and access your results. Protern Sensor (Original) is fully supported. Stock is finite and available while supply lasts. Also available Protern Pack (Original): sensor, bib, and Protern Pass together for new athletes. Protern Bib (Original): replacement bib for the original Protern Sensor. Protern Sensor (Live): the Protern Sensor with built-in mobile connectivity. Show more