General Specifications
Wheel Size: 20 inches
Frame Material: Aluminum alloy or high-strength carbon steel, often specified as aviation grade 6061 aluminum alloy.
Weight: Approximately 20.4 kg to 23 kg (45 to 50 lbs).
Max Load Capacity: Typically around 150 kg (330 lbs).
Folding Size: Varies by model, but generally designed for compact storage (e.g., 77cm x 64cm x 43cm). 
Electric System and Performance
Motor: 250W or 350W brushless motor, located in the rear hub.
Battery: Removable 36V Lithium-ion battery (e.g., 8Ah or 15Ah capacity), often using LG cells.
Max Speed: Limited to approximately 25 km/h (15.5 mph) to comply with regulations, though some models may be unlockable to higher speeds.
Range: Around 40-45 km (25-28 miles) in pedal-assist mode, depending on conditions and battery size.
Charging Time: Typically 4 to 5 hours for a full charge.
Assist Modes: Features a pedal-assist system (PAS) and often a full electric (throttle) mode.
 
Components and Features
Brakes: Front and rear mechanical disc brakes are standard, sometimes with E-ABS (Electronic Anti-lock Braking System).
Suspension: Often includes rear damping shocks and sometimes front suspension for a smoother ride.
Gearing: Typically single speed or up to 7-speed Shimano gearing.
Tires: 20-inch anti-puncture or fat tires are available options.
Lights: Integrated LED front headlight and rear brake lights are standard safety features.