Monitor your pedaling cadence as you ride with this self calibrating wireless speed cadence sensor.
Garmin gsc 10 speed cadence bike sensor.
If using with a garmin colorado or oregon series the gsc 10 only will report cadence.
In all of my searching the garmin gsc 10 is always the cheapest solution for an ant speed cadence sensor that i can find.
If you need to buy the full gsc 10 here is a amazon link.
It measures and reports your pedaling strokes per minute providing feedback for optimal performance.
96 garmin cadence sensor 2 bike sensor to monitor pedaling cadence 4 4 out of 5 stars 867.
This product is ant certified.
It comes in most handy for indoor training over the mn winter.
Also for an even cleaner look i recommend using a 1 2 neodymium magnet behind the pedal spindle rather than the included zip tied model to the crank arm.
In all of my searching the garmin gsc 10 is always the cheapest solution for an ant speed cadence sensor that i can find.