Garmin Speed Cadence Sensor Replacement Parts Kit [010-10729-00]
Monitor your pedaling cadence and wheel speed as you ride. You can even use it to train indoors because the sensor attaches to your rear wheel.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
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