Super compact and lightweight magnet-less cycling sensors. The pair includes the Pro Speed Sensor (hub mounted) and the Pro Cadence Sensor (crank arm mounted). Both feature a translucent Composite Matrix construction with a LED indicator. Each Sensor has a high-tech dual Bluetooth system that can simultaneously pair with cycling computers and smart trainers. Replaceable CR2032 battery included.

THIIS PRODUCT DOES NOT CONNECT TO MOBILE PHONES