http://www.gpscity.com/garmin-cadence-sensor-gsc-10.html
http://www.gpscity.ca/garmin-cadence-sensor-gsc-10.html

Garmin's Speed and Cadence sensor is designed to work with a variety of bike styles and is compatible with many of Garmin's outdoor and fitness models. Attaching the cadence sensor to the bicycle is quick and easy, and one installed will measure the pedal strokes per minute.

PN: 010-10644-00
UPC: 753759050030
Manufacturer: Garmin

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