... : 36V 200W; 36V 350W),shimano nexus 3 speed Electric Tricycle, Our main productsinclude Electric bicycle,bicycle,bmx&freestyle bicycle, beach cruiserbikes, folding bikes, city bikes ... ;twist throttle:Pedals Assisted System(no twist) for EU Norms;with throttle for the USA and Canada Norms ,running range:50kms ...