ADO Air 20S Folding E-Bike, 20" Electric Bike, Ultra Light Weight 18.5 KG

The aptly-named ADO Air 20S is an ultra-lightweight folding e-bike designed for life on the move — the train-and-ride commuter, the small-flat city dweller, the weekend explorer. This version adds front suspension, so you glide over the potholes and rough tarmac that define most UK commutes. Smooth, smart, and effortlessly portable, it's everything you need from a city e-bike and nothing you don't.

Light enough to carry, small enough to store

Weighing just 18.5 kg, the Air 20S can be lifted with one hand and folds in three simple stages in around fifteen seconds, down to an impressively compact 86 × 52 × 68 cm. That means you can carry it up and down stairs, slot it into the boot of a car, tuck it under your desk, or hop on the bus or train without a second thought. Its ultra-lightweight aluminium construction makes it ideal for all your travel and everyday commuting needs. 

Smooth, natural power from a torque sensor

At the heart of the ride is a 250W rear-hub motor paired with a smart torque sensor, which reads your effort and responds proportionally, so the power feels natural rather than jerky — no surges, no over-assistance on flat sections, just smooth, intuitive support. The system even detects whether you're heading up or downhill and adjusts the assistance to match the terrain and your input — so even if you set off on an incline, the assist kicks in immediately. With three levels of pedal assist and a top assisted speed of 25 km/h, it's intuitive for riders of every level. 

The carbon belt drive revolution

Say goodbye to oily, rusty chains. The carbon belt drive is silent, grease-free, and virtually maintenance-free — no oil, no mess, no chain adjustment, and lasts up to 30,000 km. It's ideal for anyone who keeps their bike indoors or commutes in work clothing — no more black marks on your trousers. Just clean, quiet, effortless riding, year after year. 

Suspension that smooths the city

This is the key upgrade that sets the Air 20S apart. The front suspension fork absorbs the bumps of potholed roads, kerbs, and rough surfaces — and as E-Bikes Express put it, if your commute involves any meaningful amount of uneven surface, and most UK commutes do, the Air 20S is worth it. The result is a noticeably more comfortable, controlled ride wherever the road throws its worst at you.

Confident stopping, whatever the weather

Hydraulic disc brakes front and rear deliver reliable stopping power in wet conditions — light at the lever, strong when you need them, and dependable in classic British weather. 

Reliable Samsung power, up to 100 km

The Air 20S is powered by a high-quality removable Samsung 36V/9.6Ah battery, giving up to 100 km of range per charge — enough for most people's weekly commuting without needing to charge at work. It's neatly integrated into the seatpost to keep the frame slim and the weight centred, charges fully in 4–6 hours, and lifts out for convenient charging at home or the office. (Range is a manufacturer estimate under ideal conditions — expect around 60–70% in real-world UK riding.) 

Built for British conditions

A clear, sunlight-readable IPS colour display keeps all your ride data in view, with IPX5 waterproofing on the bike (and an IPX7-rated display) so you can keep riding when the weather turns. A bright 1200-lumen headlight and reflector tail light keep you visible, and folding pedals make the package even more compact. It's rated to operate efficiently from −10°C to 50°C, fits riders from 150–200 cm, and carries up to 120 kg. 

The perfect companion for the urban rider

Supremely practical, genuinely smooth, and effortlessly portable — the ADO Air 20S folds your whole commute into one light, low-maintenance, beautifully engineered package. Ride it, fold it, carry it, store it. It just works.

Specifications at a glance

• Motor: 250W rear hub (CE version)
• Battery: Samsung 36V/9.6Ah, removable (seatpost-integrated)
• Range: up to 100 km (ideal conditions)
• Charge time: 4–6 hours
• Pedal assist: Torque sensor, 3 levels (0–3)
• Top assisted speed: 25 km/h — UK EAPC legal
• Drive: Carbon belt drive (up to 30,000 km, maintenance-free)
• Brakes: Hydraulic disc (front & rear)
• Suspension: Front fork suspension
• Frame: Lightweight aluminium folding frame
• Wheels/Tyres: 20" double-walled aluminium, 20 × 1.95"
• Display: IPS colour display (IPX7)
• Lights: 1200-lumen IPX5 headlight, reflector tail light
• Pedals: Folding
• Weight: 18.5 kg
• Folded size: 86 × 52 × 68 cm
• Rider height: 150–200 cm
• Max load: 120 kg
• Waterproofing: IPX5 (bike) / IPX7 (display)
• Legal status: Fully EAPC-compliant — no licence, tax, or insurance required