Connect to your favourite fitness app or device with the JetBlack Speed & Cadence Sensor. Featuring an advanced dual-band wireless chip it allows connection with both BluetoothSmart and ANT+TM devices it is compatible with most apps, smartphones, watches and cycle computers. The Speed & Cadence Sensor is weatherproof and has a slimline universal fit. Get in the zone and start training smarter with the JetBlack Speed & Cadence Sensor.