The ADO Air 20 Folding Electric Bike combines convenience, performance, and innovative technology in a compact design. Equipped with a Samsung 36V/9.6 Ah battery, this bike charges fully in just 4-6 hours, providing up to 60 miles of range. The 250W motor delivers a top speed of 15.5mph and a torque of 37nm, ensuring a smooth and powerful ride.
Featuring a single speed gear system, the bike maintains simplicity and ease of use. It weighs only 18kg (17.8kg as measured), making it highly portable. When unfolded, its dimensions are 156cm x 36cm x 102cm, and when folded, it compacts down to 86cm x 52cm x 68cm, perfect for storage and transport.
Safety and control are prioritised with hydraulic disc brakes on both the front and rear wheels. The 20" x 1.95" tyres provide stability and comfort on various terrains. Suitable for riders with heights ranging from 150cm to 200cm, the ADO Air 20 supports a maximum rider weight of 120kg.
Its IPX5 water resistance rating ensures durability in wet conditions. The bike is equipped with a clear IPS colour display and offers app connectivity through ADO's proprietary app, enhancing your riding experience. For night time visibility, the 1200 lumen LED lights provide excellent illumination.
The ADO Air 20 Folding Electric Bike is the ideal choice for urban commuters and adventure seekers alike, blending practicality with advanced features.
How is the frame size measured?
Most E-bikes are measured from the centre of the crank to the base of the seat post tube. However, some E-bike manufacturers may measure their bikes differently depending on their style.

What is the right frame size for me?
This helpful guide will help you to find which size electric bike is best suited to you. If you would like a bit more information, don't hesitate to get in touch.
HYBRID ELECTRIC BIKES
MENS
| Rider Height | Recommended Hybrid Frame Size | |||
|---|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size (cm) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 15" | 33 - 39 | X-Small |
| 5'2"" - 5'6"" | 158cm - 168cm | 15"-16" | 38 - 44 | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | 43 - 47 | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19" - 20" | 48 - 52 | Large |
| 6'1" - 6'4" | 185cm - 193cm | 21" - 22" | 53 - 57 | X-Large |
| 6'4" - 6'6" | 193cm - 198cm | 23" - 24" | 58 - 61 | XX-Large |
WOMENS
| Rider Height | Recommended Women's Hybrid Frame Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 14" | X-Small |
| 5'2"" - 5'6"" | 158cm - 168cm | 15" - 16" | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19"+ | Large |
ELECTRIC MOUNTAIN BIKES
MENS
| Rider Height | Recommended Mountain Frame Size | |||
|---|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size (cm) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 14" | 33 - 37 | X-Small |
| 5'2"" - 5'6"" | 158cm - 168cm | 15" - 16" | 38 - 42 | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | 43 - 47 | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19" - 20" | 48 - 52 | Large |
| 6'1" - 6'4" | 185cm - 193cm | 21" - 22" | 53 - 57 | X-Large |
| 6'4" - 6'6" | 193cm - 198cm | 23" - 24" | 58 - 61 | XX-Large |
WOMENS
| Rider Height | Recommended Women's Mountain Frame Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (inches) | Frame Size |
| 4'10" - 5'2" | 148cm - 158cm | 13" - 14" | X-Small |
| 5'2" - 5'6" | 158cm - 168cm | 15" - 16" | Small |
| 5'6" - 5' 10" | 168cm - 178cm | 17" - 18" | Medium |
| 5'10" - 6'1" | 178cm - 185cm | 19"+ | Large |
COMMUTER ELECTRIC BIKES
MENS
| Rider Height | Suggested Commuter Bike Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (cm) | Frame Size |
| 4'10" - 5'0" | 148cm - 152cm | 47cm - 48cm | XX-Small |
| 5'0" - 5'3" | 152cm - 160cm | 49cm - 50cm | X-Small |
| 5'3" - 5'6" | 160cm - 168cm | 51cm - 53cm | Small |
| 5'6" - 5'9" | 168cm - 175cm | 54cm - 55cm | Medium |
| 5'9" - 6'0" | 175cm - 183cm | 56cm - 58cm | Large |
| 6'0" - 6'3" | 183cm - 191cm | 58cm - 60cm | X-Large |
| 6'3" - 6'6" | 191cm - 198cm | 61cm - 63cm | XX-Large |
WOMENS
| Rider Height | Suggested Women's Commuter Frame Size | ||
|---|---|---|---|
| Feet & Inches | Centimetres | Frame Size (cm) | Frame Size |
| 4'10" - 5'1" | 147cm - 155cm | 44cm - 46cm | XX-Small |
| 5'1" - 5'3" | 155cm - 160cm | 47cm - 49cm | X-Small |
| 5'3" - 5'5" | 160cm - 165cm | 50cm - 52cm | Small |
| 5'5" - 5'8" | 165cm - 172cm | 53cm - 55cm | Medium |
| 5'8" - 5'10" | 172cm - 180cm | 56cm - 57cm | Large |
Care Free Carbon Belt
Weighing only 16kg with battery
Hydraulic Brakes
Brushless Hub Motor
Colour Display
Three Assistance Modes
specifications
Battery and Range
** Range according to battery capacity. It is also dependent on the different riding conditions - terrain, rider weight, tyre pressure, headwind etc.
Motor
Pedal Assist
Assist Intelligent
Tyres
Charging Time
Weight
Full weight: 17+kg (including all accessories)
*All stated weight numbers have a +/- 3%-5% tolerance. Net weight includes the battery but excludes all accessories. Full weight includes the battery and all accessories.
Seat
Display
Lights
Tail Light: Reflector Tail Light
Brakes
Waterproof
Max Rider Weight
Warranty
Delivery
Returns
If you would like to cancel your order, please contact us immediately at info@ecobikecompany.com or on 0333 050 3189. Please include your order number when contacting us.
If your order has not yet left the manufacturer's warehouse, we should be able to stop it shipping, and issue you a refund immediately.
Please note – when returning a product, it must be returned in ‘as new’ condition, with all components included, in their original packaging. There will be a charge for the return.
Returns - Changed your mind
If you change your mind after buying from us and want a refund, you have up to 14 days to let us know and have the goods returned to us. You will need to return the product to us before we can provide a refund. Eco Bike Co. can help arrange the return for a charge of £50 - a courier will be sent to pick it up from you & return it to the manufacturer.
Please note – the 14 days return period is to allow you to examine the goods as you would in a shop. To obtain a full refund, the goods must be returned in an “as new” condition with all components included in their original packaging. “As new” condition is defined as unridden.
Returns - Damages & Faulty
We ask that you thoroughly inspect all items at the point of delivery. We advise you not to accept delivery of any damaged items. If you discover that an item has been damaged, please send clear photos of the damaged items to info@ecobikecompany.com so that we can open an insurance claim on your behalf.
If your bike develops a fault through normal use (as outlined in the manufacturer's manual) you could be entitled to a repair or replacement as covered with the warranty. Please send through details of the fault to info@ecobikecompany.com and we will arrange the repair or replacement with the manufacturer.
Please note – any fault caused due to misuse of the bike is not covered by this policy. Please ensure you read the manufacturer's manual in detail before using your electric bike to avoid voiding your warranty.
For controllers, motors, batteries, forks, head tubes, handlebars, chargers, pedals, flywheels, chain stays: 12 months warranty.
For bike frame, 5 years warranty
The Warranty is conditional upon the bicycle being operated under normal conditions and use, and properly maintained.
