Garmin Edge 840 Bicycle GPS Head Unit W/ Mapping - Touchscreen

Introduce the rider you are today to the one you'll be tomorrow. The Edge® 840 touchscreen cycling computer offers targeted adaptive coaching when used with your compatible power meter and heart rate monitor
It helps you manage your efforts by providing power targets throughout a course plus stamina insights, so you know how much gas is left in the tank
Get superior accuracy under dense tree cover or the urban canyon, thanks to multi-band GNSS technology
It features button controls that work in any environment matched with a responsive touchscreen so you can tap, pan and swipe on the fly
Whether you're riding roads, trails, gravel or indoor, you can benefit from insights and workouts that will help you understand your strengths and weaknesses and prepare for upcoming races or personal milestones.