Lezyne Pro Cadence Sensor Black, One Size

Lezyne's Pro Cadence Sensor is a compact and lightweight magnet-less cycling cadence sensor that features simple installation for mounting onto a crankarm. Weighing in at just 11 grams, this sensor is the optimal lightweight and compact sensor. With a high-tech dual Bluetooth system, the Pro Cadence Sensor can also simultaneously pair with cycling computers and smart trainers so you'll be connected whenever you need it.