Serious cyclists who want detailed performance metrics of their ride now have two new cycling computers to choose from.
Garmin Edge 540 and Edge 840 bike computers leaked ahead of their release - Gizmochina
Garmin makes Edge line more mountain bike friendly with 540 and 840 - Canadian Cycling Magazine
Garmin Edge® 1040, GPS Bike Computer, On and Off-Road, Spot-On Accuracy, Long-Lasting Battery, Bundle : Electronics
Garmin Edge 840
Garmin Edge bike computers: model comparison and buying guide
Garmin Edge 540, 840 series: Price, availability - GadgetMatch
Garmin Edge bike computers: model comparison and buying guide
Garmin Edge 540 Solar GPS Cycling Computer
new Garmin Edge 540 / 840 - ClimbPro bugs galore
Garmin Support, Edge® 840 Series