Advanced Connectivity: Seamlessly connects with popular cycling computers and devices via ANT+ and Bluetooth, ensuring compatibility with for , for , and for systems. Enhanced Accuracy: Provides precise speed and measurements to help you optimize your training sessions and improve performance. Versatile Use: Perfect for both road biking and mountain biking, this sensor adapts to your diverse cycling needs. Design: Built to withstand the rigors of intense cycling environments, ensuring reliability and . Color: Black Material: plastic Package Contents: 2 x Bicycle Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.