Bir Magnum electric bike with front disc break system, rear drum break system, maximum speed 50 Km / h. 76 Km per charge, 38 Kg battery weight, 85.5 Kg net weight, 5 Battery, 60V / 28Ah battery, 8 hours charging time, 1200W DC brushless motor, 3.5-12" tubeless tyre. Electricity cost TK 5 per charge. 1 year warranty.