Improve your cycling performance by tracking cadence with the COROS Bike Cadence Sensor, designed to help you pedal more efficiently and ride stronger for longer. Monitoring your RPMs allows you to fine-tune your pedal stroke, making training sessions and everyday rides more effective. With quick Bluetooth connectivity, the sensor pairs easily with most bike computers, smartwatches, smartphones, and popular training apps. Its compact, lightweight design mounts neatly to your crank arm, while the durable IP67 water-resistant construction ensures reliable performance in all weather conditions. Key Features Tracks cycling cadence and RPMs to help improve pedalling efficiency and performance Bluetooth connectivity works with most bike computers, smartwatches, smartphones, and training apps Compact, lightweight design mounts easily to your crank arm for simple installation CR2032 battery provides up to 12 months of long-lasting use IP67 water-resistant rating offers reliable all-weather durability