BTWIN E-Fold 500
A steel 20-inch folding e-bike with a rear hub motor, a 252 Wh battery in the rear rack and assistance cut at 25 km/h. It has a six-speed Shimano Tourney gear set, V-brakes and folds in about 30 seconds.
Spec analysis: we have not ridden this model. Specs and prices checked 9 Nov 2026.
- Top speed
- 25 km/h (16 mph)
- Motor
- 250 W peak
- Torque
- 35 Nm
- Battery
- 252 Wh
- Range
- ≈ 47 km real, 50 km claimed
- Weight
- 21.4 kg
- Max load
- 110 kg
- Price from
- €999.99 · £999.99
Full specifications
| Performance | |
|---|---|
| Top speed (EU version) | 25 km/h (16 mph) |
| Motor power | 250 W peak |
| Torque | 35 Nm |
| Claimed range | 50 km |
| Assist levels | 3 assist modes (Eco, Normal, Boost) |
| Motor and drivetrain | |
| Motors | 1 (rear hub) |
| Assist sensor | Cadence sensor |
| Pedal assist | Yes |
| Throttle above 6 km/h | No |
| Gears | Shimano Tourney 6-speed (14–28T) |
| Drive | Chain |
| Battery and charging | |
| Battery | 252 Wh (36 V, 7 Ah) |
| Removable battery | Yes |
| Charging time | 6 h |
| Size and weight | |
| Weight | 21.4 kg |
| Max load | 110 kg |
| Rider height | 145–195 cm |
| Dimensions (L × W × H) | 145 × 64 × 113 cm |
| Folding | Yes |
| Folded size | 84 × 46 × 73.5 cm |
| Frame | Hi-Ten steel |
| Wheels, brakes and suspension | |
| Wheel size | 20″ |
| Tyre size | 20 × 1.75″ |
| Tyres | Pneumatic |
| Brakes | V-brake rim brakes |
| Suspension | None |
| Lights, display and features | |
| Lights | Front 15 lux, rear 5.4 lm (battery-powered) |
| Turn signals | No |
| Display | LED control screen |
| App | Yes |
| Water resistance | not published |
| Other features | Rear rack, Front bag mount, Mudguards, Kickstand, Bell, Folding pedals, Anti-theft saddle clamp, Puncture-resistant tyres |
| Approvals and warranty | |
| EN 15194 certified | Yes |
| Warranty | Lifetime frame, fork, stem and handlebar; 2 years parts |
European version, from official sources listed below. “Not published” means the maker does not give that figure; we leave a gap rather than guess.
Where can you ride it?
As sold, the BTWIN E-Fold 500 can be ridden on public roads in 5 of the 5 countries we cover. Verdicts compare the European version's specs with each country's rules. They are not legal advice.
| Country | Verdict for this model as sold |
|---|---|
| 🇫🇷 France checked 9 Nov 2026 | Road-legal
|
| 🇩🇪 Germany checked 9 Nov 2026 | Road-legal |
| 🇳🇱 Netherlands checked 9 Nov 2026 | Road-legal |
| 🇵🇱 Poland checked 9 Nov 2026 | Road-legal
|
| 🇬🇧 United Kingdom checked 9 Nov 2026 | Road-legal
|