Feature: motor brushless 48v 1500w battery: 48v 15ah removable lithium battery display: color-lcd display tire: 26 x 4.0 Frame: 6061 aluminum alloy controller: 48v 30a charge time: 4-6 hours max speed: 50km h range distance: 25-40km brake: f r disc brake derailleur: outer 7-speed shimano fork: zoom mozo light: front light 3 riding modes: pedal mode power assist mode and full electric mode. 48V 15ah removeable lithium battery. Package list: 1x 90% pre-assembled electric bike 1x tool kit 1x manual 1x charger 1x pedal 1x li-ion battery 26 1500w electric bike fat tire 48v 15ah removable lithium battery for adults: