Peter Storm Women's Pop-Up Umbrella

The Speed Cadence Sensor from Garmin provides as easy way to wirelessly monitor your pedalling cadence and your speed as you ride. The cadence sensor measures pedal strokes per minute while the attaches to the hub of either wheel and self-calibrates with your Edge to give you ...The Speed Cadence Sensor from Garmin provides as easy way to wirelessly monitor your pedalling cadence and your speed as you ride. The cadence sensor measures pedal strokes per minute while the attaches to the hub of either wheel and self-calibrates with your Edge to give you accurate speed and distance at all times.

By combining the readings of both, you can get a detailed idea of where you level-wise.