EN15194, wheels 26inch, all aluminum parts, motor 250W - 500W brushless, battery lithium-ion or LIFEPO4 36V 10Ah, Shimano ... 7gear EN15194, wheels 26inch, all aluminum parts, motor 250W - 500W brushless, battery lithium-ion or LIFEPO4 36V 10Ah, Shimano ... .9mm cartboard, foam protectionand bubblewrap to assure perfect shipping. 26" 250w city electric bicycle