Pupular Electric bicycle with EN15194 1) 250W motor 2) Lithium battery,36V/10Ah 3) Alloy frame 4) Japan 6-gear ... , outer 6 or 7 gears,precise and reliable shiftingFrame of electric bicycleAluminum alloyRims of electric bicycleDouble-wall, alloy, Stainless steel spokes, Rust ... -drive motor, lock, 36V/9Ah Samsung li-ion battery, 36V/9Ah Panasonic li-ion battery, quick-release handle bar, front disk ...