Kinetic — Kinetic Magnet-less Speed or Cadence Sensor - Bike Trainer
Garmin Cadence Sensor GSC 10
Edge 1030 Plus Owners Manual - Replacing the Cadence Sensor Battery
Garmin Cadence Sensor Magnet | CycleChat Cycling Forum
Amazon.com: Garmin Replacement Parts for Speed Cadence Sensor : Electronics
What are these? And are they related? First 2 pics (Garmin) is on the crank arm and the second pic (Giant ridesense) is on the chainstay on the same side. : r/bikewrench