PAS/Aluminum alloy frame electric bicycle/CE/Lithium battery CE approval 1)SHIMANO 6 speed gears 2)Intelligent 250w PAS/Aluminum alloy frame electric bicycle/CE/Lithium batteryMotorLight weight high speed brushless250w hub motor 12 month warrantyBattery24V,10Ah Li-ion batteryOpitional: 24V,10Ah/36V,10Ah24 month warrantyPASintelligent pedal assistant system.Controller intelligent bruhsless.12 ...