The smart speedsensor form Garmin in an updated version.

Can connect to other units with ANT+ and Bluetooth Low Energy.

Quick and easy to mount on the hub, and can also be moved between bikes.

With this sensor you are sure to have accurate measurements on your Garmin Edge or other compatible units, even if the GPS signal dissapears.

Battery keeps power for approx. one year.

Compatible with:

Edge 1000/1030

Edge 800/810/820/830

Edge 500/510/520/520 Plus

Edge 130

Edge 25

MARQ

Fenix 5/5 Plus/5S/5X/5X Plus

Fenix 3

Fenix 2

Forerunner 945/935/920XT/910XT/735XT/645/630/620/45S/4535/310XT/245/235/230

And many others.