Model GT73 GT73 PRO MOTOR Rear Gear Hub Motor 2400W Rear Gear Hub Motor 3000W TORQUE 126Nm 338Nm BATTERY Dual Battery - 48V 18.2Ah*2Removable Lithium BatteryUL 2849 Compliant Dual Battery - 60V 18Ah*2Removable Lithium BatteryUL 2849 Compliant CHARGER Dual Charger 54.6V 2A x2 Dual Charger 67.2V 3A x2 CONTROLLER 48V 30A Integrated Controller 60V 40A Integrated Controller MAX SPEED 28-37 MPH Speed varies based on road condition and load weight 37-50 MPH Speed varies based on road condition and load weight RANGE (ELECTRIC/ASSISTED) Throttle only: 68 milesPedal Assist (PAS):155 milesRange varies based on speed and load weight Throttle only: 87 milesPedal Assist (PAS):173 milesRange varies based on speed and load weight CHARGING TIME 9-10H 5-6H LIGHTS Front & Rear LED Light, Turn Signals,2-in-1 Brake and Turn SignalLightAmbient Light(optional) Front & Rear LED Light, Turn Signals,2-in-1 Brake and Turn SignalLightAmbient Light(optional) BRAKE SYSTEM Front & Rear Hydrallic Brake and Electronic Brake Front & Dual hydraulic brakes with 230MM disc brake rotor and EABS TIRE 25''*3 Off-road Motorcycle Dirt Bike Tire(70/100-19) 25''*3 Off-road Motorcycle Dirt Bike Tire(70/100-19) RIM Enhanced Load-bearing 7074 Aluminum Alloy Enhanced Load-bearing 7074 Aluminum Alloy MAX LOAD 286 LBS 330 LBS NET WEIGHT 116 LBS 123 LBS THROTTLE Half-twist Half-twist WATER RESISTANT IPX4 IPX4 SENSOR Cadence Cadence PRODUCT SIZE 73.82" × 28.74" × 45.91" (L × W × H) 73.82" × 28.74" × 45.91" (L × W × H) SHIPPING SIZE 62.60" × 12.60" × 33.07" (L × W × H) 62.60" × 12.60" × 33.07" (L × W × H)