Blue SC Cycling Speed Sensor for Road, Gravel and Mountain Bikes

SPEED / CADENCE MEASUREMENT - Track and capture real-time cycling speed and cadence with compatible training apps, including Wahoo SYSTM & RGT, Zwift, and Peloton Digital iOS App via Bluetooth.
CYCLING CADENCE - The number of revolutions per minute (RPM) you complete at a given speed. By learning how to increase and train your cycling cadence, or the rate at which you pedal, youll improve your cycling efficiency and allow yourself to pedal for longer, faster.
DUAL BAND TECHNOLOGY - Integrated with ANT+ and Bluetooth Smart capabilities, Wahoos BLUE SC Speed & Cadence sensors connect to smartphones, tablets, and bike computers.
UNIVERSAL FIT - Works with most bikes and frame sizes. Rubber band and zip tie mounts included.
REPLACEABLE BATTERY - CR2023 replaceable coin cell battery lasts up to 12 months, no recharging is necessary.