Garmin Edge MTB GPS Bike Computer - Rugged Design, Up to 14 Hr Battery (Black)Built to Shred The Edge MTB bike computer is purpose built for mountain bikers who ride hard, demand precision, and rely on durable gear. With a rugged, compact design and scratch resistant Corning Gorilla Glass, its engineered to withstand harsh trail conditions. A 7 button interface makes it easy to operate with gloves or in wet conditions, while the powerful internal battery delivers up to 14 hours of performance in demanding use, or up to 26 hours