... 36V 9Ah Li-ion battery 4,N.W.: 24KG electric bike, electric bicycle, mountain bike1,250W/26'' 2,Shimano7 speed3,36V ... Frame: Al Alloy 6061, 7005Tyres: 26"×1.95", puncture resistant K-shield (INNOVA)Controller: Pedaling Run/Pedaling-Electric Assist Run. ... Option: Pure Electric Run Model Spokes: 13g steel. Overload protection, Low voltage protectionRim: 26*1.5'', Al Alloy ...