motor: 48v 1500w battery: 48v 20ah removeable lithium battery display:color-lcd display tire:26"x3.0 fat tire frame:6061 aluminum alloy derailleur: 7 speed shimano/sunrace fork: all alloy suspension fork charge time: 4-6 hours turn-handle: rotary power sensor: pas intelligent pedal assistant system rim form: spoke wheel range distance: 30-45 km max speed: 50km/h weight capacity: 300 lb brake: f/r disc brake(fork shock absorption,rear spring shock) fork: xcm(double shoulder big fork) product size: 192*112cm 3 riding modes:pedal mode / boost mode / power mode. package list: 90% pre-assembled electric bike li-ion battery tool kit manual charger pedal. after-sales service: you will get our timely and accurate technical support and after-sales service..syi