SPECIFICATIONS: Motor - 36V 250W - Hi-speed motor - Brushless ,8FUN Frame - Aluminum alloy 6061 - City 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: 60KM with PAS,40KM with TAG (Twist And Go) -Drive Manner: Front Drive Manner Components -Handle bar: Adjustable - Fork: Suspension fork; "suntour"brand -saddle: comfortable design -crank: Al-Alloy -chain: KMC -Tires: Front & Rear700x38C (KENDA) -Rim: Double-wall -Spokes: stainless steel -Pedal: non-slip -Mudguard: aluminum composite panel -Shifting lever: SHIMANO -Gear: x -Derailleur: SHIMANO Nexus Inter-8 speeds -Brakes system: Front & Rear V/V brake -kickstand: Central Dimensions - L x W x H: 1900 x 250 x 1050mm - G.W./N.W: 21.3kgs/23.0kgs - Loading 40PCS/20 GP,890PCS/40HQ. Carton.