Lezyne Pro Cadence Sensor

Super compact and lightweight magnet-less cycling cadence sensor
SKU: KMLEZ03104

Super compact and lightweight magnet-less cycling cadence sensor. Translucent Composite Matrix construction with LED indicator. Simple installation that mounts to a crankarm. High-tech dual Bluetooth system that can simultaneously pair with cycling computers and smart trainers. Features a replaceable CR2032 battery.

https://ride.lezyne.com/collections/gps-devices-sensors/products/pro-cadence-sensor