The bike is less than a year old. Besides the internal battery, there is an extra external battery to help with long distance touring and hills. This is a light weight gravel bike with tubeless tires and operates with the Mahle Smart Bike system . It weighs 35lbs with the extra battery. It has two chainrings to make a total of 22 gears. Also included is a handlebar mirror and pedals and kickstand. All the documentation is included. Originally the bike was $4600.00. Cash or certified check only.