1. Frame: Material: E5 Aluminum, lightweight and durable. Design: Step-through frame for easy mounting and dismounting. 2. Motor: Type: Specialized 1.2E Custom Rx Street-tuned Motor. Assistance: Up to 28 mph (45 km/h). Torque: Quiet and smooth, optimized for city riding. 3. Battery: Capacity: 530Wh. Range: Up to 90 miles (145 km), depending on riding conditions. Charging Time: 4-5 hours (from 0 to 100%). 4. Drivetrain: Shifter: Enviolo City internally geared hub, offering stepless gear changes. Gearing: Stepless shifting system with no traditional front or rear derailleurs. Crankset: Custom alloy forged, single chainring. 5. Brakes: Type: Tektro Hydraulic Disc Brakes. Rotor Size: 180mm front and rear, providing powerful stopping power in all conditions. 6. Tires: Size: 27.5" x 2.3". Type: Nimbus II Sport Reflective tires with a puncture-resistant layer for durability and safety. 7. Wheels: Rims: Alloy double-wall, durable and designed for urban use. Spokes: Stainless steel for durability and corrosion resistance. 8. Suspension: Fork: Custom Specialized Aluminum fork. Front Suspension: No front suspension, though the wide tires offer added cushioning for comfort on rough roads. 9. Cockpit: Handlebars: Specialized low-rise, ergonomic for comfortable upright riding. Stem: Adjustable stem to fine-tune riding position. Grips: Specialized Body Geometry Contour grips for added comfort. 10. Saddle and Seatpost: Saddle: Specialized Como saddle, designed for comfort on long rides. Seatpost: Aluminum suspension seatpost to absorb road vibrations. 11. Accessories: Fenders: Full-length fenders for weather protection. Rear Rack: Compatible with panniers and bags for commuting or groceries. Lights: Integrated front and rear lights, powered by the main battery. Kickstand: Rear-mount kickstand for easy parking. Bell: A built-in bell for urban riding. This combination of high-quality components ensures a smooth, reliable, and comfortable ride, especially for city commuters.