Coros FD03 Bike Cadence Sensor rear keeper 1 pair of 12-mm inserts

1 pair of 12-mm inserts

and repels dirt and debris for a cleaner

Superior Transmission Efficiency

Size: 700x18-32c

Dense tree cover and the urban canyon are no match for its spot-on accuracy with multi-band GNSS

Coros FD03 Bike Cadence Sensor rear keeper 1 pair of 12-mm insertsOverview: Take your pedaling efficiency to the next level by using the COROS Bike Cadence Sensor. Tracking your cycling cadence helps you find your ideal pedal stroke to ride longer, stronger and more efficiently. Easily pairs with your bike computer, smartwatch, or smartphone via Bluetooth it even works with most spin bikes. Features: Track your RPMs to optimize pedaling efficiency Integrates with most bike computers, smartwatches, and training apps