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The ADO Air 20S Folding Electric Bike is a lightweight 20-inch folding electric bike designed for smooth assisted cycling, compact storage and low-maintenance ownership. Featuring a 250W brushless hub motor, 50Nm torque, a dual-sided torque sensor and a clean carbon belt drive, it delivers responsive assistance with quiet, efficient performance.
Built around a lightweight aluminium folding frame, the Air 20S combines a 37V 10Ah portable battery, hydraulic disc brakes, a standard shock-absorbing front fork, an upgraded NFC smart display, and ADO Smart App support. As supplied, assistance is limited to 25 km/h (15.5 mph).
The 250W brushless hub motor provides smooth pedal assistance up to 25 km/h (15.5 mph). With 50Nm torque and a dual-sided torque sensor, the Air 20S responds naturally to pedalling input for controlled power delivery across everyday riding conditions.
The 37V 10Ah portable lithium-ion battery supports an estimated range of up to 100 km under suitable riding conditions. The removable battery system allows convenient charging while installed on the bike or when removed and charged indoors.
The 20 x 1.95-inch tyres provide stable handling and efficient rolling, while the standard shock-absorbing front fork improves comfort over uneven surfaces. The folding aluminium frame and compact design make the bike easier to store and transport.
The 2.4-inch IPS colour display with NFC provides key ride information at a glance, including speed, assist level and battery status. The Air 20S is equipped with a 30 LUX front headlight and reflector rear light for improved visibility.
The bike is equipped with hydraulic disc brakes for strong, controlled braking performance. The lightweight aluminium frame, double-walled aluminium wheels, aluminium alloy mudguards and carbon belt drive system provide a durable, clean and low-maintenance build.
The ADO Smart App supports ride tracking, service support and connected functions. The upgraded smart display with NFC, a portable battery, and a mechanical bell adds practical functionality for everyday use.
The included 42V 2A charger supports the 37V battery system and provides a full charge in approximately 4–6 hours. A power cable is included.
| Model | ADO Air 20S |
|---|---|
| Product Type | Folding electric bike |
| Motor | Brushless hub motor |
| Motor Power | 250W |
| Peak Motor Power | 250W |
| Torque | 50Nm |
| Sensor | Dual-sided torque sensor |
| Pedal Assist | 0–3 pedal assist levels |
| Throttle | Not fitted as standard |
| Battery | 37V 10Ah portable lithium-ion battery |
| Estimated Range | Up to 100 km |
| Top Assist Speed | 25 km/h (15.5 mph) |
| Charging Time | Approx. 4–6 hours |
| Charger | 42V 2A charger |
| Drive System | Carbon belt drive |
| Transmission | Single speed |
| Tyres | 20 x 1.95-inch tyres |
| Wheels | Double-walled aluminium wheels |
| Suspension | Standard shock-absorbing front fork |
| Brakes | Hydraulic disc brakes |
| Frame | Lightweight aluminium folding frame |
| Display | 2.4-inch IPS colour display with NFC |
| Water Resistance | IPX6; display IPX7 |
| Front Light | 30 LUX front headlight |
| Rear Light | Reflector rear light |
| Mudguards | Aluminium alloy mudguards |
| Rear Rack | Aluminium alloy rear rack with MIK support |
| Rear Rack Capacity | 25 kg |
| Pedals | Folding pedals |
| Bell | Mechanical bell |
| Smart Features | ADO Smart App support, NFC display, AQS 2.0 system |
| Certification | SGS CE |
| Net Weight | Approx. 18+ kg including standard accessories |
| Full Weight | Approx. 24+ kg total packaging weight |
| Maximum Load | 120 kg |
| Rider Height | 150–200 cm |
| Working Temperature | -10°C to 50°C |
| Total Length | 1560 mm |
| Wheelbase | 1060 mm |
| Seat Height | 740–960 mm |
| Handlebar Height | 1020–1150 mm |
| Standover Height | 600 mm |
| Reach | 420 mm |
| Folded Size | 900 x 430 x 670 mm |
| Colour Options | Grey, Blue |
| In the Box | Electric bike, battery, charger, power cable, pedals, multi-tool, user manual, mudguards, rear rack, bell |
Electric Scooters London is an authorised ADO reseller and repair centre in the UK, offering expert product advice, UK-based support, and dependable after-sales service. We supply carefully selected electric bikes with professional guidance, servicing and long-term ownership support.