Improve every day with Edge 840, the touchscreen and button-controlled cycling computer with targeted adaptive coaching1. It’s the optimal gear to prepare you for upcoming races or personal milestones. Touchscreen or button controls? The choice is yours — this Edge has both. Get up to 42 hours of battery life on a single charge in battery saver mode. Enjoy superior accuracy with multi-band GNSS technology. Get stamina insights1 while you ride to know how much longer you can crush it. Push your performance with daily suggested workouts1. Cycle like a local with ride type-specific maps and navigation.