SPECIFICATIONS: Motor - 36V 250W - Hi-speed motor - Brushless ,8FUN Frame - Aluminum alloy 6061 - Mountain 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: Rear Drive Manner Components -Handle bar: Adjustable -Fork: Suspension fork; "ZOOM"brand -saddle: VELO PLUSH -crank: Al-Alloy -chain: KMC -Tires: Front & Rear 26"x1.75 (Maxxis) -Rim: Double-wall -Spokes: stainless steel -Pedal: non-slip -Mudguard: aluminum composite panel -Shifting lever: SHIMANO SL-TX50-6R -Gear: SHIMANO MF-TZ20 -Derailleur: SHIMANO RD-TX31 -Brakes system: Front & Rear Disc/V brake -kickstand: side Dimensions - L x W x H: 1900 x 250 x 1050mm - G.W./N.W: 21.4kgs/24.0kgs - Loading 40PCS/20 GP,96PCS/40HQ Carton.