The Double Peak I/O and its slick frame design features an internal battery down-tube and motor-mount for a clean, integrated look. Other features include Shimano's new Deore 10-speed 1-by drive-train with a Shimano STePS 6100 compact mid-motor drive and its components, programmed for on-road and light off-road trail use.If you ride trails and also commute to work or town for shopping, you have found your match.