Peak Power: 5000W Battery: 60V 27Ah Lithium-Ion Top Speed: 47-49mph Front Tire: 70/100-17″ Rear Tire: 90/100-14″ Controller: 60V 70A Display: EM06 Charger: UL 60V6A Rear Sprocket: 51T Chain: (420 chain) Heavy Duty Front Suspension: Hydrauli.