Heart rate sensorsH7 heart rate sensor Polar WearLink®+ transmitter Nike+ Polar WearLink®+ transmitter with Bluetooth® T31 coded™ transmitter T31 transmitter WearLink®+ Hybrid transmitter WearLink®+ Strap WearLink®+ transmitter WearLink®+ transmitter W.I.N.D. Cycling sensorsCS SPEED SENSOR W.I.N.D. AND DUAL LOCK BIKE MOUNT SET CS Speed Sensor™ W.I.N.D. and Universal Bike Mount Set CS cadence sensor™ CS cadence sensor™ W.I.N.D. CS speed sensor W.I.N.D. and Twist Lock Bike Mount CS speed sensor™ Kéo Power S-series cadence sensor™ S-series speed sensor™ Running sensorsS1 foot pod™ s3 stride sensor™ W.I.N.D. s3+ stride sensor GPS sensorsG1 GPS sensor G3 GPS sensor W.I.N.D. G5 GPS sensor Data transferDataLink FlowLink® IrDA USB Adapter WindLink™ Other accessoriesElastic Straps G5 GPS armband GPS Clip Twist Lock Bike Mount Universal Bike Mount s3+ holder Share Elastic Straps If you need a new elastic strap for your Polar wireless transmitter, ours are available in various sizes, are easy to put together, and are comfortable to wear. Where to Buy› Compatible Products T31 coded™ transmitterT31 transmitter