250W Powerful Motor ( Top Speed 25km/h ) The N1 AIR electric bike is equipped with a 250W high-efficiency motor, which not only provides strong power, but also has a torque of up to 40N.m, allowing you to easily control various terrains. Removable battery 36V 10Ah(360Wh) Portable and anti-theft,which can travel 100 kilometers on a single charge in ASSIST mode. (Specific data is affected by load, temperature, road conditions, etc.) Shimano 7-speed shifter The Shimano 7-speed shifter derailleur provides accurate and smooth shifting to ensure that your drivetrain is responsive for a long time. Torque sensor High sensitivity and accuracy in sensing capable of detecting static and dynamic torque and ensuring stable driving performance of electric bicycles with zero start during cycling. Ultra Lightweight Carbon Super-light carbon fiber frame, just 1.28 kg, engineered for optimal aerodynamics, delivering a smoother, more stable ride with reduced wind drag Anti-theft Protection Protect your ride with smart technology that senses threats and keeps your bike traceable, ensuring your urban commute stays worry-free and secure. Specification Brand: ENGWE Type: Electric Bike Model: MapFour N1 Air Material：Carbon Fiber Frame+Aluminium Fork Motor：MIVICE M070 Rear Hub Motor Sensor：Torque Sensor Torque:40 Nm Tires:700*38C Spoke Tires Lights:Front light & Solar Tail Light Transmission System:SHIMANO 7-Speed Brakes:160mm Front & Rear Mechanical Disc Brakes Battery:36V 10Ah SAMSUNG Removable Lithium-ion Battery Speed:25 km/h Mileage:100 km (PAS 1 level) Charging Time:About 5-8H (The charging time of the battery depends on the usage of the battery.) Maximum Climbing degree:10° Display:LCD Color Display Waterproof:IPX5 Bike Weight:15.6 kg Gross Weight:25.4 kg Payload Capacity: 120KG Rider Height:165-190CM Product size:190*71*130CM Package Dimensions :148.4*22.5*73CM What's in the box? N1 Air E-bike*1 36V 10Ah SAMSUNG Lithium-Ion Battery*1 48V 2Ah Battery Charger*1 Pedals*2 Front & Rear Fenders*1 Bike Kickstand*1 Assembly Tools*1