Garmin Cadence Sensor 2 Bike Sensor to Monitor Pedaling Cadence - 010-12844-00Garmin Cadence Sensor 2 Bike Sensor to Monitor Pedaling Cadence The cadence sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training ANT+ connectivity and BLUETOOTH Low Energy technology let you send cadence data to our Garmin Connect online community and other training apps, compatible devices and fitness equipment for better data when you ride indoors and outdoors Compatible with