ADO Air 20 - Folding Electric Bike - 250W

I’ll be honest with you — most folding bikes look the part in the shop and then spend their life in a hallway gathering dust. Too heavy to carry comfortably. Too fiddly to fold quickly. Too noisy to use without announcing yourself to everyone in the building. The ADO Air 20 is different, and the reason comes down to a few carefully chosen decisions that matter enormously in day-to-day use.

At just 18 kg, it’s genuinely manageable — light enough to carry upstairs to a flat, lift into a car boot, or wheel through a train carriage without asking anyone to shift. The step-through folding frame makes getting on and off simple, whether you’re in work clothes, cycling gear, or a coat on a damp Tuesday morning. This is a folding electric bike designed around how people actually live, not how they ride in ideal conditions.

Silence and smoothness — the belt drive difference

The carbon belt drive is the detail that surprises most people. No chain means no grease, no oily marks on your trousers, no maintenance routine to keep on top of. It runs silently, stays clean, and there’s genuinely very little to go wrong. For anyone who stores their bike indoors, takes it into an office, or hates the idea of getting their hands dirty — this alone is worth choosing the Air 20 for.

Assist that responds like a natural extension of your legs

The torque-sensor motor reads how hard you’re pedalling and responds proportionally. No jolt from a standing start. No sudden surge on a gentle slope. Just smooth, natural support that makes city riding feel easy without removing the sense that you’re actually cycling. Hills become less of a negotiation. Headwinds stop being an event. British roads being what they are, that matters more than people expect.

A week’s commuting on a single charge

The Samsung 36V 9.6Ah battery offers up to 100 km of range — enough for most riders to get through a full week without needing to charge at work. The battery is removable, so you can charge it at home or the office without wheeling the bike to a socket. Hydraulic disc brakes provide confident stopping in all weathers. Puncture-resistant tyres reduce the kind of interruption you really don’t need on a Monday morning.

If you’re looking for a lightweight folding e-bike that earns its keep every single day — clean, quiet, and genuinely easy to live with — the Air 20 is a very good place to start.

Carbon Belt Drive — No chain, no grease, no maintenance schedule. Runs silently and stays clean — a genuine daily-life upgrade for anyone who stores their bike indoors or commutes in work clothes. Designed to last thousands of miles without attention.

Torque Sensor Pedal Assist — Responds proportionally to your effort, not just whether you’re pedalling. The result is smooth, natural-feeling power on city streets, hills and cycle paths — far more intuitive than cheaper cadence-sensor systems.

Lightweight Folding Step-Through Frame — 18 kg — Manageable for stairs, car boots and train carriages. The step-through design makes mounting easy in everyday clothing. Folds for flat, office and public transport storage.

Up to 100 km Range — Samsung 36V 9.6Ah Battery — Removable for convenient charging at home or work. Enough range for most commuters to cover a full week between charges.

Hydraulic Disc Brakes — Confident, consistent stopping performance in rain, on wet leaves, and in the stop-start conditions that define British city riding.

• Model – ADO Air 20
  
• Motor – 250W
  
• Battery – 36V 9.6Ah (Samsung Cells)
  
• Max Torque – 37 Nm
  
• Charging Time – 4–6 Hours
  
• Display – IPS Colour Display
• Range – Up to 100 km (PAS Mode)
  
• Max Speed – 25 km/h
  
• Certificates – SGS CE Certified
  
• Suspension – None
  
• Transmission – Single-Speed
  
• Tyre Size – 20" × 1.95"
  
• Pedal Assist System – Torque Sensor
  
• Assist Levels – 0–3 PAS Levels
  
• Recommended Rider Height – 150 cm – 200 cm
  
• Working Temperature – -10°C to 50°C
• Net Weight – Approx. 18+ kg (Standard Accessories Included)
  
• Gross Weight – Approx. 24+ kg (Packaged)
  
• Max Load Capacity – 120 kg
  
• Frame – Lightweight Aluminium Alloy
  
• Brakes – Hydraulic Disc Brakes
  
• Wheels – Double-Wall Aluminium
  
• Fork – Standard
  
• Front Light – IPX5 Waterproof, 1200-Lumen
  
• Rear Light – Reflector Tail Light
  
• Drive System – Carbon Belt Drive
  
• Pedals – Folding Pedals
  
• Saddle – Comfort Standard Saddle

What are the differences between the Air 20 and Air 20S?

The short answer is one meaningful upgrade: the Air 20S comes with a hydraulic lockout adjustable fork, giving you proper suspension that you can dial in depending on the terrain. The standard Air 20 runs without suspension. Everything else — motor, battery, drivetrain, weight — is identical between the two. So if your riding is mostly smooth tarmac, the Air 20 does everything you need. If you want a more comfortable, controlled ride over rougher surfaces or potholed roads, the Air 20S is the one to go for.

Is it possible to change speed? Is it weatherproof?

The Air 20 runs a single gear, so there’s no manual shifting involved — but that doesn’t mean the ride is one-dimensional. You have three levels of pedal assist to choose from, and the smart torque sensor reads how hard you’re pedalling and responds instantly, adjusting the power to match the terrain beneath you. That means even if you set off on a hill or hit an incline mid-ride, the assist kicks in immediately without you having to think about it. It’s a more intuitive system than it might sound on paper.

As for the weather — yes, you’re well covered. The Air 20 is rated IPX5 waterproof, the IPS display steps that up to IPX7, and all the electronic components are fully sealed against heavy rain and dust. A wet British commute isn’t going to cause you any problems.

Free Delivery - Order today and you can expect to receive your new bike within 4-5 working days. You will be notified of shipping information once the product has been dispatched.

Warranty - Enjoy a 12 month warranty on the Motor, controller, display & battery. You also get a 5-year warranty on the frame.

If you have any queries regarding this, you can drop us an email at: sales@ebikesexpress.co.uk