Cyrusher Sonder vs Fiido D3 Pro
Torque, battery, weight, pricing and features — side by side.
Each on its own: Cyrusher Sonder specs, UK price and stock · Fiido D3 Pro specs, UK price and stock
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Compact 20in commuter with a torque sensor, 480Wh battery and a 22.1kg kerb weight
View details
£1,499
Applied automatically when you use our Buy button. Only needed if you go direct:
£50 off at the official Cyrusher UK store. Our Buy buttons apply it for you — you should see it come off in the basket before you pay. Verified at the checkout on 21 September 2026. It is not offered on the Loop 2.0, where Cyrusher's own checkout refuses it. Applied automatically when you use our Buy button. Only needed if you go direct:
£50 off at the official Cyrusher UK store. Our Buy buttons apply it for you — you should see it come off in the basket before you pay. Verified at the checkout on 21 September 2026. It is not offered on the Loop 2.0, where Cyrusher's own checkout refuses it.BESTEBIKESUK
£50 off — applied for you
BESTEBIKESUK
Delivery: Free (UK)
Out of stock at last check · checked
14in mini folder with 35Nm hub, 281Wh battery and 17.3kg kerb weight — budget commuter
View details£449 Save £96 £545
Delivery: Free (UK)
In stock at last check · checked
Which should you choose?
Choose the Cyrusher Sonder if…
…it has more torque (+5 Nm) and carries a bigger battery (+199 Wh).
Choose the Fiido D3 Pro if…
…it costs less (£1,050 cheaper) and is lighter (4.8 kg lighter).
Based only on the measured differences below — manufacturer-published figures, not independently tested.
At a glance
Cyrusher Sonder
Compact 20in commuter with a torque sensor, 480Wh battery and a 22.1kg kerb weight
Fiido D3 Pro
14in mini folder with 35Nm hub, 281Wh battery and 17.3kg kerb weight — budget commuter
| Spec | Cyrusher Sonder | Fiido D3 Pro |
|---|---|---|
| Best UK price | £1,499 | £449 £1,050 cheaper |
| RRP | £1,499 | £545 |
| Delivery | Delivery: Free (UK) | Delivery: Free (UK) |
| Availability at last check | Out of stock at last check — 28 Sep 2026 | In stock at last check — 28 Sep 2026 |
| Motor brand & type | Cyrusher Hub | Fiido Hub |
| Motor torque | 40 Nm +5 Nm | 35 Nm |
| Battery capacity | 480 Wh +199 Wh | 281 Wh |
| Voltage · amp-hours | 48 V · 10 Ah | 36 V · 7.8 Ah |
| Total weight | 22.1 kg | 17.3 kg 4.8 kg lighter |
| Frame type | Compact | Compact |
| Release | 10 February 2025 — 1 year, 7 months on market | 3 July 2021 — 5 years, 2 months on market |
| Tyre size | Chaoyang 20 x 2.0in puncture-proof | CST 14x2.125" |
| Brakes | Hydraulic disc | Mechanical disc with power cut-off |
| Frame material | 6061 aluminium alloy with internal battery | — |
| Max load | 120 kg | 120 kg |
| Top speed (stated) | 24 km/h | — |
| Range (stated) | Up to 85 km | — |
| Charger | 54.6V 2.0A | 36V2A |
| Display | Colour smart display | LCD 1.47 inch |
| Weight without battery | 19.1 kg | — |
| Gears | — | Single-speed (52T/12T) |
| Top speed | — | 25 km/h |
| Range | — | Up to 33 km |
| Colours | — | Black, White |
| Sensor | — | 12-magnet speed sensor (cadence-type pedal assist) |
| Charging time (stated) | — | 3-4 hours |
| Battery cell | — | DMEGC 280.8Wh, non-removable |
| Waterproof | — | IP54 full-bike |
| Other | — | Foldable stem (frame does not fold flat); walk assist only throttle (6km/h) |
| Folding | Yes | No |
| Folding stem | No | Yes |
| Mobile app | No | Yes |
| Cadence sensor | No | Yes |
| Torque sensor | Yes | No |
| Front suspension | No | Yes |
Cyrusher Sonder highlights
Fiido D3 Pro highlights
Frequently asked questions
Which has more torque, Cyrusher Sonder or Fiido D3 Pro?
The Cyrusher Sonder has more torque at 40 Nm, compared to 35 Nm on the Fiido D3 Pro.
Which has the bigger battery, Cyrusher Sonder or Fiido D3 Pro?
The Cyrusher Sonder has a larger battery at 480 Wh, versus 281 Wh on the Fiido D3 Pro.
Which is lighter, Cyrusher Sonder or Fiido D3 Pro?
The Fiido D3 Pro is lighter at 17.3 kg, compared to 22.1 kg on the Cyrusher Sonder.
Which is cheaper, Cyrusher Sonder or Fiido D3 Pro?
The Fiido D3 Pro is cheaper at £449, compared to £1,499 for the Cyrusher Sonder.
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