Finbike U4 Commuter Electric Bike 36V 10.4Ah Battery 88km Range
- CE/UKCA Certified | VAT Included | Price Protection
Need help choosing?
Quick answers to the most common questions before you buy.
- Which model is right for me?
It depends on how and where you ride.
• City commuting → EB1/U4 (lightweight & easy)
• Hills / off-road → M10/EB3 (powerful & full suspension)
• Long distance → Ucity/M60 (extended range)
Not sure? → Check the model compare under the "Add to cart" button
- Is it legal in my country?
Yes. This model is CE/UKCA certified and road legal in most EU countries and the UK.
No license or registration is required.
- How long does delivery take?
We ship from our EU/UK warehouse.
Delivery time: 2–7 days depending on your location.
Tracking will be provided once shipped.
- What warranty do you offer?
We offer 1-year warranty on the main components and lifetime support.
EU/UK local service support available.
- Can I return it if I don’t like it?
Yes. We offer 14-day hassle-free returns.
If it’s not right for you, simply contact us and we’ll assist you.
- Who do I contact if something goes wrong?
Our e-mobility support team is here to help.
You can contact us via live chat or email support@finbike.com and we’ll respond within 24 hours.
| A - Seat Tube | 40cm / 15.75" |
| B - Chainstays | 38cm / 14.96" |
| C - Effective top tube | 53cm / 20.87" |
| D - Head Tube | 15cm / 5.91" |
| E - Grip Height | 93cm/36.61" / 106cm/41.73" |
| F - Saddle Height S | 77cm / 30.31" |
| G - Saddle Height L | 99cm / 38.98" |
| H - Wheelbase | 101cm / 39.76" |
| I - Total Length | 143 cm / 56.30" |
| Recommended Height | 150-185cm(4' 11"-6' 1") |
| Payload | 26.5kg(58.3lbs) |
| Type | Spec | |
| Performance | Tire | 16*2.15" pneumatic tires |
| Battery | 36V 10.4Ah/374.4Wh | |
| Charging Time | 4-5H | |
| Max Range | 88km/55miles | |
| Power | 250W(Peak 500W) | |
| Climbing Ability | 20° | |
| Top Speed | 30km/h | |
| Speed Level | 10/15/25km/h(6.3/9.4/15.6mph) | |
| Unlock Speed | 15/25/30km/h(9.4/15.6/18.7mph) | |
| Shock Absorption | Front suspension | |
| Water Resistance | IPX4 | |
| Dashboard | LED display | |
| Lighting System | front & rear lights | |
| Brake System | Front & rear mechanical disc brake | |
| Frame | Alloy steel | |
| Seat post | Adjustable height | |
| Recommend Rider Height | 150-185cm(4' 11"-6' 1") | |
| Weight & Size | Bike Dimension | 143*53*110 cm (56.3*20.9*43.3 in） |
| Packing Size | 126*21*65.5 cm (49.6*8.3*25.8 in) | |
| Net Weight | 26.5kg/58.3lbs | |
| Maximum Load | 120kg/264lbs |
1 x U4 Electric Bike
1 x Charger
1 x User Manual
1 x Toolkit
2 x Key
🪖 Always wear a helmet when riding your e-bike.
🔑 Keep the battery keys properly. If the keys are lost, you will not be able to unlock or lock the battery.
🔋 Ensure the e-bike’s battery is fully charged before every ride.
🚧 Always familiarize yourself with local road laws and strictly adhere to them.
🚫🍷 Do not ride the e-bike under the influence of drugs or alcohol.
🚶 Always respect pedestrians.
💧 Do not operate the e-bike under wet conditions, as this may lead to loss of control and injury. Wet environments may also damage the e-bike's electronics and void the warranty.
2-7 Days Delivery
2-Year Warranty
30-Day Return
