The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet-less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy.Product details:Dual Band TechnologyWireless ConnectionSleek, Lightweight DesignCadence MeasurementPeloton iOS CompatibilityMYXFitness CompatibilityTwo Bike Mount OptionsShoe Mount OptionVisible ConnectionReplaceable BatteryUniversal FitIncludes:RPM Cadence sensorCR 2032 Battery (installed)Rubber Mounting OptionZiptiesShoe Mount Option3M double sided tapeQuick Start GuideImportant Product Info Guide