... 350W),shimano nexus 3 speed Electric Tricycle, Our main productsinclude Electric bicycle,bicycle,bmx&freestyle bicycle, beach cruiserbikes, folding bikes, city bikes ... geared motor,2.brushless;(optional power: 36V 200W; 36V 350W)3.Frame: steel frame4.Controller:36V 15A; 1:1 assistant(with ... 75, rear 26 x 1.75 inch;derailleur:shimano nexus 3 speed1>. Our factory has 10 years experience in bicycle parts2 ...