Bontrager Interchange Digital Combo Sensor Universal Wireless Speed and Cadence Sensor for Cycling Computers The Bontrager Interchange Digital Combo Sensor provides a simple and reliable way to monitor both speed and cadence on any bike. This universal sensor transmits data wirelessly to compatible cycling computers, allowing riders to track performance metrics in real time without cable clutter. Features:• Measures both speed and cadence simultaneously• Wireless data transmission for a clean installation• Compatible with select Bontrager and Trek cycling computers• Easy to mount and adjust on most bike frames• Designed for consistent and accurate data collection Specifications:• Function: speed and cadence• Transmission: digital wireless signal• Mounting: universal frame fit• Power: replaceable coin cell battery (CR2032, sold separately) Ideal for cyclists who want a dependable, all-in-one speed and cadence solution, the Bontrager Interchange Digital Combo Sensor delivers accurate wireless performance across a wide range of bikes.