PC bike shop - RM339. -Ready stock Description of Garmin Bike Speed & Cadence Sensor 2 No magnets & easy to move between bikes Monitor your speed and cadence as you ride
A look at Garmin's new ANT+ Speed & Cadence magnet-less sensors | DC Rainmaker
Edge 510 and 810 cycling computers appear on Garmin's web store (update: hands-on photos) | Engadget