Amazon.com: Garmin 010-12843-00 Speed Sensor 2, Bike Sensor to Monitor Speed, Black : Sports & Outdoors
Amazon.com: Garmin 010-12843-00 Speed Sensor 2, Bike Sensor to Monitor Speed, Black & Bike Mount, Quick Release, Quarter Turn : Sports & Outdoors
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Amazon.com: Garmin Cadence Sensor 2, Bike Sensor to Monitor Pedaling Cadence, Black : Sports & Outdoors