https://appleinsider.com/articles/23/08/05/hands-on-connect-cadence-and-speed-sensors-directly-to-apple-watch-with-watchos-10
Apple Watch gains speed and cadence sensor pairing
The Apple Watch has a new feature in watchOS 10 that enables direct pairing of speed and cadence sensors for more nuanced bike ride tracking. We go hands-on...
speed and cadenceapple watchgainssensorpairing