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Keep track of your heart rate on your ride or run with the Quad Lock Heart Rate Monitor
The Quad Lock iPhone case is the best and most protective case we have produced
The Quad Lock Google Pixel Car Mount Kit is one of the strongest and most sturdy smartphone car mounts on the market
Charge your smartphone while riding with the Quad Lock Motorcycle Wireless Charging Head
Sensors - Heart Rate Monitor "S" Keep track of your heartKeep track of your heart rate on your ride or run with the Quad Lock Heart Rate Monitor. Light and slim, the sensor of the Quad Lock Heart Rate monitor is designed to be barely noticed. The elastic chest strap sits securely and comfortably so you aren't restricted in your training.