The ADO Air 20s is a folding e-bike with a 370 Wh battery and a 21 kg build. That battery is 43% below the median for folding e-bikes, which is 648 Wh. It folds, it has a 250 W motor and it is aimed at riders who need to store or carry a bike easily. The low battery capacity is the number that most sets it apart from its class.
You might choose this bike if weight matters more to you than range. At 21 kg it is 25% lighter than the 28.1 kg median for its type. That makes it easier to lift into a car boot or carry up stairs. It suits short, mixed trips where you fold the bike at one end. It does not suit long rides or cargo.
What the numbers say
| Spec | This bike | Median for its type |
|---|---|---|
| Battery | 370 Wh | 648 Wh |
| Weight | 21 kg | 28.1 kg |
| Torque | 50 Nm | 50 Nm |
| Estimated range | 27 km | 47 km |
| Price | 0 USD | 1049 USD |
Questions people ask about the ADO Air 20s
How much does it weigh?
The ADO Air 20s weighs 21 kg. That is 25% below the 28.1 kg median for folding e-bikes. For a folding bike, that is a real advantage if you lift it often. It is still a heavy object to carry any distance.
How much torque does it have?
It has 50 Nm of torque. That is exactly level with the median for its class, which is also 50 Nm. Torque is not where this bike stands out. It gives you the same climbing help as a typical folding e-bike.
What speed class is it?
The speed class is not published. The top speed is listed as 25 km/h. That is a common assisted limit. You should check the rules where you ride before you buy.
How far does it really go?
The manufacturer claims 100 km. Our estimate is 27 km, with a band of 24 to 30 km. That is 73% below the claim. We do not test bikes. The estimate uses one reference ride for every bike on the site: Tour assist, rolling terrain, mild weather, brisk pace and an 80 kg rider. You can see how your own route changes it with the range calculator.
What does it cost to run?
The price is 0 USD, so it is not comparable with the 1049 USD median for its type. Running costs depend on your electricity price and how often you charge. The battery is 370 Wh, or 10 Ah at 37 V. A full charge uses a small amount of electricity. Use the cost calculator to put your own numbers in.
Where it falls short
The main trade-off is range. The 370 Wh battery is 43% below the 648 Wh median for folding e-bikes. The estimated range is 27 km, which is 43% below the 47 km median for its class. The manufacturer claims 100 km, but our estimate is 73% below that claim. If you need to go far on one charge, this bike will not do it.
Who should buy it
Buy the ADO Air 20s if you value low weight and folding over long range. It suits riders who make short trips and store the bike indoors or in a vehicle. The 50 Nm torque is level with the class median, so it climbs as well as a typical folding e-bike. The 120 kg maximum payload is generous for its weight.
- You commute a short distance and fold the bike at one or both ends.
- You need to lift the bike into a car, a train or a cupboard, and 21 kg is manageable for you.
- You ride mostly flat routes where the 27 km estimated range covers your day.
Look elsewhere if you need more than 27 km of estimated range or if you want a bike for cargo. The 370 Wh battery is small for its class, and the estimated range is 43% below the median. A heavier bike with a larger battery will go further. Check the specifications against your own trip length before you decide.
