ADO AIR 20 Pro Folding Electric Bike
SKU: Q74491
SPEED15.5 Mph
RANGE62 Miles
MOTOR250W
BATTERY9.6Ah
CHARGING4-6 Hours
WEIGHT46 lbs
Adjustable Cycle Helmet£38.99
Front and Rear Light Set£44.99
In stock now, a similar model
DYU C1 26 Inch City Electric Bike£1,289.99In stockView
This Model Is Fully Compliant With UK Road Regulations
This bike is built to comply with UK Electrically Assisted Pedal Cycle (EAPC) regulations, meaning it can be used on public roads and cycle paths without registration, tax, or a licence. Motor assistance is limited to 250W and cuts off at 15.5 mph (25 km/h).
See UK LegislationThis bike is built for riders 4'11"-6'7" (150-200 cm).
Kept in this browser only.
The manufacturer's figures, not ours.
This one carries 346 Wh of battery. The maker quotes 62 mi; in mixed riding with some hills, expect nearer 47 mi. A full charge costs about £0.10. Across a year that is roughly £987.00 less than making the same journeys by car, so the bike pays for itself in about 19 months. Everything here is worked out from this bike's own specification. Estimates, not promises: the assumptions are printed underneath.
Range you can expect
| Low assist, flat roads | 62 mi |
|---|---|
| Mixed riding, some hills | 47 mi |
| Full assist, loaded or hilly | 34 mi |
| Riding time on a charge | 4 h |
What it costs to run
| A full charge | £0.10 |
|---|---|
| Every 100 miles | £0.16 |
| Electricity for a year | £3.00 |
| The same year by car | £990.00 |
| You keep | £987.00 |
| Pays for itself in | 19 months |
Worked out from the specification
| Battery energy | 346 Wh |
|---|---|
| Energy per mile | 5.6 Wh |
| Charger output | 2.4 A |
| Power to weight | 12.0 W/kg |
| You can carry | 265 lb |
Based on £0.245 per kWh, £0.45 per mile to run a small car, and 2,200 miles a year. Charging is costed at the socket, not at the battery.
A carbon belt instead of a chain, and an automatic gearbox
The ADO AIR 20 Pro runs a carbon belt rather than a chain, an automatic two-speed transmission and a torque sensor, at £1,489.
250W and 15.5 mph: it meets the EAPC rules, so there is no licence, no tax and no registration.
A carbon belt instead of a chain
There is no chain on this bike, and that changes the ownership rather than the ride.
- Nothing to oil, ever
- Nothing to leave a mark on your trousers
- A belt lasts far longer than a chain and runs silently
- And it will not rust in a shed over winter
It is the single most useful thing on this spec sheet, and almost nothing else in this catalogue has one.
An automatic two-speed transmission
No shifter, no cable, no thinking about gears: the hub changes ratio on its own as the speed changes.
Combined with a belt and a torque sensor, this is a bike with nothing to operate but the pedals. There is no throttle either, which ADO states plainly.
ADO publishes marked power and peak power, and they are the same
Two hundred and fifty watts marked, two hundred and fifty watts peak.
Almost every other sheet in this catalogue quotes a peak figure larger than the rating, and some quote only the peak. Publishing both as one number is the clearest statement of compliance a maker can make, and ADO backs it with an SGS CE certificate.
A 1200 lumen headlight, rated IPX5
Twelve hundred lumens is a measured figure, not a claim about brightness.
It lights an unlit lane rather than just the road immediately ahead, and the light itself is rated for water. The display is an IPS colour unit and the working range is published as -10 to 50 °C.
Sixty-two miles from a 9.6Ah pack
ADO claims up to 100 km, and our table carries 62 miles.
That is a small battery: smaller than 96% of what we sell. The figure is possible because the bike is 21 kg, the tyres are 1.95 inches, the belt loses less than a chain and the torque sensor only gives what you ask for. The panel below shows the arithmetic.
The measurements, and they decide whether it fits you
Saddle 74 to 96 cm off the ground, handlebars 102 to 115 cm, standover 60 cm, total length 156 cm.
ADO sizes it for riders of 150 to 200 cm, which is the widest height band on any bike in this batch. Hydraulic disc brakes, an adjustable fork, folding pedals, double-walled aluminium wheels. Payload is 265 lbs.
Before the first ride, and who it is for
It arrives folded, in a box 152 × 22.5 × 73 cm.
- Unfold and lock the frame and the stem, then check both again after the first hour
- Bed the hydraulic brakes in at walking pace
- Set the fork to your weight
- Inflate firm: a 1.95-inch tyre takes high pressure
- Allow four to six hours for the first charge
Buy it for the belt and the automatic gearbox. It is the lowest-maintenance bike in this catalogue, and on a bike ridden every day that is worth more than a bigger battery.
- BRAND
- ADO
- CATEGORY
- Folding
- MOTOR POWER
- 250W
- RANGE
- 62 Miles
- SPEED
- 15.5 Mph
- BATTERY
- 9.6Ah
- WEIGHT
- 46 lbs
- CHARGING TIME
- 4-6 Hours
- BRAKE SYSTEM
- Hydraulic Disc Brakes
- FRAME MATERIAL
- Aluminum
- MAXIMUM LOAD
- 265 lbs
- INPUT VOLTAGE
- 36V
- TIRE SIZE
- 20 inch
- TORQUE
- 40 Nm
The ADO AIR 20 Pro Folding Electric Bike states 250W, 62 Miles and 15.5 Mph, and below it is set against the DYU A1F Electric Folding Bike. Every figure the two disagree on is marked. Choose a different bike to compare it with whichever one you are also considering.
7 of 11 specifications differ. View DYU A1F Electric Folding Bike
- Are the electric bikes brand new?
- Yes. All electric bikes sold by BikTron are brand new, factory-sealed, and sourced directly from authorised manufacturers and official distributors.
- How do I choose the right electric bike for me?
- Pick a bike based on how you plan to ride. City bikes are great for commuting, folding bikes work well if you need compact storage, mountain bikes handle hills and mixed terrain, and cargo bikes are ideal for carrying shopping or loads. If you are not sure, our Bike Quiz can help.
- Are the batteries original and certified?
- Yes. Every electric bike battery is brand new and original from the manufacturer, with full safety certification and performance testing.
- Are the bikes tested before shipping?
- Yes. Each e-bike goes through a quality check before dispatch, covering electronics, brakes, motor response, and battery performance.
- Do electric bikes come with a warranty?
- Yes. All electric bikes from BikTron include a manufacturer warranty. Duration depends on the brand and model. Most bikes include a 12-month warranty as standard.
- How long does delivery take?
- Standard UK delivery usually takes 2 to 7 business days. Remote areas may take a little longer. You will receive a tracking link by email once your order is dispatched.
- Which payment methods do you accept?
- We accept Visa, Mastercard, PayPal, Apple Pay, Google Pay, and Klarna buy-now-pay-later. All payments are processed securely.
- Can I return my electric bike?
- Yes. You can ride the bike and still return it. Tell us within 30 days of delivery and we book the courier and collect it from your door. Contact us first and we will guide you through the process.
- Do the bikes need assembly?
- Most electric bikes arrive 85 to 90 per cent pre-assembled. You will usually need to attach the handlebars, pedals, and adjust the seat. A basic tool set is often included.
- Are BikTron electric bikes legal to ride in the UK?
- Yes. All bikes sold by BikTron that meet UK EAPC rules (250W motor, max 15.5 mph assisted speed, pedal-assisted only) are fully road-legal. You do not need a licence, tax, or insurance to ride them on public roads. Riders must be at least 14 years old.
- What about the electric scooters?
- Those are different, and the law treats them differently. A privately owned e-scooter cannot legally be ridden on a public road, pavement or cycle lane in the UK, whoever sold it. We sell ours for private land use only, with the landowner's permission, and every scooter product page says so. If you want something you can ride to work, choose an electric bike.
Secure checkout and fast UK delivery on every order.
- Free standard UK delivery on most bikes — 2 to 7 business days
- Express delivery may be available on request
- Full tracking included with every order
- Pay securely with Visa, Mastercard, PayPal, Apple Pay, Google Pay, or Klarna
- 0% finance available through Klarna at checkout
Before you order:
- Delivery is to UK mainland addresses — some remote areas may have a small surcharge
- Most bikes arrive 85–90% pre-assembled and include basic tools for setup
- If you are unsure about sizing or specs, contact us before you buy
Full details at Payment & Shipping.
Simple and fair terms so you can buy with confidence.
- 30-day return window — if the bike is not right for you, send it back
- Ride it. It needs to come back clean, undamaged and complete, with the charger, tools and manual
- A refund or replacement is issued after we receive and check the return
Please note:
- For a change of mind we book the collection and deduct its cost from your refund, and we tell you the amount before we book it
- If we sent the wrong item or it arrived faulty, we cover return shipping in full
- All bikes include a 12-month manufacturer warranty as standard
Full details at Returns & Refunds and Warranty.
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