A look at Garmin's new ANT+ Speed & Cadence magnet-less sensors | DC Rainmaker
Amazon.com: Garmin Speed Sensor 2 and Cadence Sensor 2 Bundle, Bike Sensors to Monitor Speed and Pedaling Cadence Bundle with Garmin Bike Mount, Quick Release, Quarter Turn : Everything Else
Garmin Bike Speed Sensor 2 and Cadence Sensor 2 Bundle [010-12845-00] at BikeTiresDirect