Garmin’s GSC 10 Speed/Cadence Bike Sensor is designed to link with Garmin training aids like the Garmin Edge and Forerunner. The self-calibrating GSC 10 measures both cycle speed and cadence in pedaling strokes per minute. It provides training feedback to match against tracking data for improving performance.

Installation is simple especially as the ANT wireless communication built-in obviates the need to run wires. The unit is mounted on the rear wheel support stay on the other side from the chain and magnets are placed on the crank arm and spokes. The components are held in place by an adhesive mounts and cable ties. Green and red LED provide feedback that the pick-ups are working OK. There is also a reset button. Very sensibly the unit has an IPX7 water resistance rating.

After the sensor is installed it needs to be paired with the pickup device but, will be recognized automatically after that.

Thankfully, the GSC 10 comes with a user replaceable battery and the chore should only come up about every 1.4 years based on 1 hours use each day.

Summary Garmin GSC 10 Speed/Cadence Bike Sensor

The Garmin GSC 10 works well, is an easy to install (thanks especially to the ANT wireless communication) and self calibrates which combined with a 1.4 year battery life spells minimal attention required.

Users Manual – Garmin GSC 10 Speed/Cadence Bike Sensor (pdf)

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