... Bar: Zoom, Aluminum alloy, ZoomStem: Zoom, Aluminum alloy, adjustable ZoomBrake Lever: Aluminum alloy with power off switch. WUXINGChain: Rust resistant chainChain Wheel: Alloy 44T, aluminum alloy crankMudguard: PP PlasticRear ... , Tool Kit, Rack Bag, Helmet key words: electric bike,electric bicycle,e bike,e-bicycle,electric vehicle,electric ...