Kit with speedsensor and cadence sensor from Garmin, now in a updated version.

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

The Cadence sensor can be mounted on the pedalarm and measures your cadence.

Both sensors can easily be moved between different bikes

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.