ADO Air 28 Ultra vs Engwe L20 Boost
Torque, battery, weight, pricing and features — side by side.
Each on its own: ADO Air 28 Ultra specs, UK price and stock · Engwe L20 Boost specs, UK price and stock
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The upgraded 3-speed Air 28
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£1,799
Applied automatically when you use our Buy button. Only needed if you go direct:
Our own ADO code: £50 off at the official ADO UK store, and it credits this site as the referrer. Our Buy buttons apply it for you — you should see it come off in the basket before you pay. Verified at checkout, 8 September 2026 (£1,599.00 to £1,549.00). Applied automatically when you use our Buy button. Only needed if you go direct:
Our own ADO code: £50 off at the official ADO UK store, and it credits this site as the referrer. Our Buy buttons apply it for you — you should see it come off in the basket before you pay. Verified at checkout, 8 September 2026 (£1,599.00 to £1,549.00).BESTEBIKESUK
£50 off — applied for you
BESTEBIKESUK
Delivery: Free (UK)
Out of stock at last check · checked
Step-through fat-tyre with 75Nm boost button, torque sensor, front suspension and 126km range
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£1,099
Applied automatically when you use our Buy button. Only needed if you go direct:
Our own code: 10% off at the official Engwe UK store, and it credits this site as the referrer. Our Buy buttons apply it for you. Verified at checkout, 31 August 2026. Applied automatically when you use our Buy button. Only needed if you go direct:
Our own code: 10% off at the official Engwe UK store, and it credits this site as the referrer. Our Buy buttons apply it for you. Verified at checkout, 31 August 2026.BESTEBIKESUK
10% off — applied for you
BESTEBIKESUK
Delivery: Free (UK)
Out of stock at last check · checked
Which should you choose?
Choose the ADO Air 28 Ultra if…
…it is lighter (15.5 kg lighter).
Choose the Engwe L20 Boost if…
…it costs less (£700 cheaper), has more torque (+35 Nm) and carries a bigger battery (+264 Wh).
Based only on the measured differences below — manufacturer-published figures, not independently tested.
At a glance
ADO Air 28 Ultra
The Ultra is the upgraded Air 28: a Bafang H730 three-speed automatic motor (vs the Pro's H700 two-speed), giving roughly 24% more torque in low-speed mode. Battery, range, frame, brakes and weight are otherwise identical to the Air 28 Pro.
Engwe L20 Boost
Step-through fat-tyre with 75Nm boost button, torque sensor, front suspension and 126km range
| Spec | ADO Air 28 Ultra | Engwe L20 Boost |
|---|---|---|
| Best UK price | £1,799 | £1,099 £700 cheaper |
| RRP | £1,799 | £1,099 |
| Delivery | Delivery: Free (UK) | Delivery: Free (UK) |
| Availability at last check | Out of stock at last check — 28 Sep 2026 | Out of stock at last check — 28 Sep 2026 |
| Motor brand & type | Bafang Hub | Engwe Hub |
| Motor torque | 40 Nm | 75 Nm +35 Nm |
| Battery capacity | 360 Wh | 624 Wh +264 Wh |
| Voltage · amp-hours | 36 V · 10 Ah | 48 V · 13 Ah |
| Total weight | 18.5 kg 15.5 kg lighter | 34 kg |
| Frame type | Step Through | Step Through |
| Release | February 2026 — 7 months on market | 1 August 2024 — 2 years, 1 month on market |
| Tyre size | 28 x 1.8 (700c) | 20 x 4.0 in fat tyres |
| Gears | Bafang H730 3-speed automatic | Shimano 7-speed |
| Brakes | Hydraulic disc | 160 mm front & rear mechanical disc |
| Frame material | 6061 Aluminium alloy | — |
| Rider height | 160–210 cm | 152-183 cm (5.0-6.0 ft) |
| Max load | 120 kg | 120 kg (payload capacity) |
| Top speed | 25 km/h | 25 km/h (no throttle) |
| Range | Up to 100 km | 126 km max (PAS) |
| Colours | Grey, Latte | Wine Red, Sea Green, Onyx Black |
| Motor | Bafang H730 (3-speed) | — |
| Display | — | LCD colour display |
| Front fork travel | — | 50 mm |
| Front basket capacity | — | 10 kg |
| Rear rack capacity | — | 25 kg |
| Mobile app | Yes | No |
| Brake lights | No | Yes |
| Auto lights | Yes | No |
| Indicators | Yes | No |
| Hydraulic brakes | Yes | No |
| Fat tyres | No | Yes |
| Higher-speed modes for permitted use | Yes | No |
ADO Air 28 Ultra highlights
Engwe L20 Boost highlights
Frequently asked questions
Which has more torque, ADO Air 28 Ultra or Engwe L20 Boost?
The Engwe L20 Boost has more torque at 75 Nm, compared to 40 Nm on the ADO Air 28 Ultra.
Which has the bigger battery, ADO Air 28 Ultra or Engwe L20 Boost?
The Engwe L20 Boost has a larger battery at 624 Wh, versus 360 Wh on the ADO Air 28 Ultra.
Which is lighter, ADO Air 28 Ultra or Engwe L20 Boost?
The ADO Air 28 Ultra is lighter at 18.5 kg, compared to 34 kg on the Engwe L20 Boost.
Which is cheaper, ADO Air 28 Ultra or Engwe L20 Boost?
The Engwe L20 Boost is cheaper at £1,099, compared to £1,799 for the ADO Air 28 Ultra.
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