6061 aluminum alloy frame. 6061 aluminum alloy, 31.8635mm. Aluminum shoulder lockable oil spring suspension fork. Prowheel aluminum alloy crank square hole 46T. PAS mode (5 Shifts) Range 100-120KM. Pure electric mode (5 Shifts) Range 50-60KM. LED Powered by battery. 48V 20AH 18650 Lithium battery. 48v 1OOO watts front drive brushless motor and 1OOO watts rear drive brushless motor. Multifunctional LCD color monitor. 12-point Holzer-intensive speed sensor. All cables are Waterproof Integrated wires.