electric bike, electric bicycle, mountain bike 1,250W/26'' 2,Shimano7 speed 3,36V ... Li-ion battery 4,N.W.: 24KG electric bike, electric bicycle, mountain bike1,250W/26'' 2,Shimano7 speed3,36V 9Ah Li ... ", puncture resistant K-shield (INNOVA)Controller: Pedaling Run/Pedaling-Electric Assist Run. Option: Pure Electric Run Model Spokes: 13g steel. Overload protection, Low ...