... )Battery: lithium,36V/10Ah, Frame:alloy 3)Derailleur: Japan Shimano 6~7 gears New Bicycle Electric of 700CSpecification:1. Motor ... , outer 6 or 7 gears, precise and reliable shifting4. Frame: Aluminum alloy5. Rim: Double-wall alloy, Stainless steel spokes ... , LCD meter displaying 5 levels PAS speedElectric bicycle, electric bicycle with CE, red electric bicycle, blue electric bicycle More pictures:-