1.High duty aluminum alloy frame 2.250W high efficiency brushless DC hub motor 3.36V 12Ah high ... Assist System(PAS)/Throttle/Pedal assist and throttle assist-Motor: 250W brushless DC intelligent hub motor-Battery: 36V10Ah Lithium-ion battery ... and rear lights,bell,water bottle,pump,tool kits 36V 250W Electric Bike CE/EN15194 (JSE72M)