Kadences sensors Sigma Duo magnetless (20336)

Sigma Duo Magnetless Cadence Sensor uses two different transmission technologies to ensure maximum compatibility with all sensors. ANT+ or Bluetooth is used to send the cadence data to your compatible Sigma ROX device. Data transmission: Bluetooth, ANT+ Compatible with: ROX GPS 4.0, ROX GPS 11.1 EVO Waterproof Material: plastic With mounting elements