Coros ACC Dura Speed sensor

Improve your cycling with the COROS bike speed sensor. Track your speed and distance data in real time, so you can measure the performance of every ride. Perfect for both outdoor rides and indoor workouts on your trainer where GPS is not enough. Easily pairs with your bike computer, smartwatch or smartphone via Bluetooth.

Measure your speed and distance without the need for GPS

Integrates with most bike computers, sports watches and training apps via Bluetooth

Easy to install with a compact design that mounts to the hub of your front or rear wheel

CR2032 battery lasts up to 12 months

IP67 water rating for weather protection and durability

Ultralight at 17g

Not compatible with most indoor bikes or ANT+ devices