Tracking speed data has never been this easy The Wahoo RPM Speed sensor is the best way to capture cycling speed data It easily mounts to the front wheel hub of your bike The Bluetooth Smart and ANT dualband technology allow you to connect and display your information on your smartphones and bike computers Features Magnetless and sleek Wireless connection Will fit most bikes and frame sizes Two LED lights show connection and speed detectionIn the Box RPM Speed CR 2032 Battery Hub mounting option Quick start guide

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