E;Monitor+Speed Sensor+Heart Rate Sensor. B;Without heart rate+speed sensor. A;Without heart rate.
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Gym Rowing Machine Display Monitor Speedometer Counter Replacement, Digital Console Shows Time Speed Distance Calories Scan, Lightweight Plastic Accessory for Fitness Equipment Black
Rowing Machine Counter with LCD Display,Replacement Monitor Speedometer for Wind Resistance Rowers with SM# Connector,Support,Black
