V-10 (Dual battery)

ELECTRIC BIKE 1.Material Alluminym Alloy 2.Shimano 7-speed3. 52V 2000W dual-drive motor, 4.Lithium Battery 52V dual 42A , Zhenhua 3500mAh 168-cell battery, 65A current converter, dual 12-tube controller, two chargers5.Tire size:26×4.0 Chaoyang tires6.Carton dimensions: 152*30.5*81cmNotes: Dual-shoulder aluminum alloy front fork with hydraulic brakes, Shimano cassette, 315R-7 shifter, TZ500 rear derailleur