Garmin Bike Speed Sensor 2 / Cadence Sensor 2 Bundle
Garmin Speed Sensor 2 and Cadence Sensor 2 bundle including rubber mounting straps that allow the devices to be easily transferred between bikes.
Will provide accurate ride feedback without calibration direct to your Garmin head unit. Can also be paired with phone and tablet when indoor training (app required).
Attach the Speed Sensor 2 to either hub, and the Cadence Sensor 2 to the inner non-drive crank arm.