Amazon.com : POWR LABS Bike Cadence Sensor for Stationary Bike & Road Bike, Smallest & Lightest Bike Sensor Bluetooth ANT+, Compatible with Wahoo, Garmin, KICKR, Polar, Bike Speed Sensor Bike Accessories :
Garmin Speed Sensor 2
Speed and Distance Issue on My Garmin Edge or Watch | Garmin Customer Support
The ANT+ Bike Speed/Cadence Sensor: Everything you ever wanted to know | DC Rainmaker
Amazon.com: Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle, Bike Sensors to Monitor Speed and Pedaling Cadence : Sports & Outdoors