The wireless Wahoo Fitness RPM cadence sensor is lightweight and mounts easily to a bike's crankarm or to a shoe. It's also compatible with smartphones and GPS bike computers to display data clearly.
Features
Cadence tracking captures real-time cycling cadence so you can measure and improve your performance
Light and easy to use; sleek design installs in seconds without magnets
ANT+ and Bluetooth 4.0 capabilities allow for a wireless connection to smartphones, bike computers and GPS watches
2 mounting options: crankarm or shoe mount (includes adhesive, zip tie and shoe mount)
LED light provides visible connection confirmation
Universal fit for all bikes
Compatible with iPhone® (4S and newer), Android™ devices (4.3 and newer) and various cycling computers and GPS fitness watches