SPECIFICATIONS: Motor - 36V 250W - Hi-speed motor - Brushless ,xiongda Frame - Aluminum alloy 6061 - Folding e-bike frame Controller - 36V 12A - 1:1 Assistant (with speed sensor) - intelligent Battery - Battery type: Lithium battery - Capacity: 36V 10Ah - Charger: Smart charger included - Charger spec: 110V-240V, 50/60Hz - Recharge time: 4-6 hours Performance - Max speed: 25Km/H - Working style: PAS & TAG (Twist And Go) - Running range: 35KM with PAS,30KM with TAG (Twist And Go) -Drive Manner: Rear Drive Manner Components -Handle bar: Foldable -Fork: Suspension fork; "ZOOM"brand -saddle: comfortable design -crank: Al-Alloy -chain: KMC -Tires: Front & Rear 20"x1.75 (KENDA) -Rim: Double-wall -Spokes: stainless steel -Pedal: non-slip -Mudguard: aluminum composite panel -Shifting lever: SHIMANO SL-TX30-6R -Gear: MF-TZ20 -Derailleur: SHIMANO TX31 Tourney 6-Speeds -Brakes system: Front & Rear V/V brake -kickstand: side Dimensions - L x W x H: 800x400x670mm - G.W./N.W: 23.5kgs/25.0kgs - Loading 110PCS/20 GP,240PCS/40HQ. Carton.