Wattage:> 500 W Voltage: 48 V Power Supply: Lithium Battery Motor: Brushless Frame Material: Steel Foldable: No Max Speed: 30-50 km/h Range per Power:> 60 km Battery: 48 V 30Ah Lithium Battery/72 V Motor Power: 3000 W Controller: Intelligent Brushless Charging time: 8-10 Hours Brake: Hydraulic Disc Brake Display: LCD Tire: 26*2.6 Kenda Frame: Fortified Steel Derailleur: Outer 7-speed Color: Customized Show More