iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range

iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range

incl. VAT & free delivery
£469.99 Regular price £629.00 Sale price SAVE £159.01
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30Days No-reason Return
2-Year Warranty

U4 Foldable E-Bike – Power, Range & Convenience!

With a 250W motor (peaks at 500W), the U4 delivers strong performance and tackles inclines up to 20% with ease. Its 375Wh high-capacity battery with smart chip management ensures a safer, longer-lasting ride. Choose from 4 riding modes and cruise at speeds up to 35 km/h, with a max range of 88 km. Designed for portability, the lightweight frame, removable battery, and foldable build make it easy to store in your car boot. Commute smarter with the iSinwheel U4 – your perfect ride for the city and beyond!

🚚Shipping - Free shipping on all orders to the United Kingdom, 2-3 business days delivery time.
💝Return & Refund Guarantee - 30 Day Money Back & 24 Month Warranty.
📞Customer Support - Please email support@isinwheel.co.uk. Our experts will reply within 24 hours.

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£629.00 £469.99
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
iSinwheel U4 Foldable Step-thru Electric Bike 500w 55Miles Range
£629.00 £469.99
24/7 Customer Service
Email: support@isinwheel.co.uk
Tel: +44 1563638328
  • fastest ebike
    500W
    Powerful Motor
  • cargo e bike
    55 Miles
    Max Range
  • s10max 15600mah
    36V 10.4Ah
    Battery
  • electric gravel bike
    21.7 MPH
    Top Speed
  • full suspension electric mountain bike
    16*2.15"
    Pneumatic Tyre
  • best electric mountain bike
    264 LBS
    Load Capacity

Easy to assemble

isinwheel U4

Watch unboxing video
Performance
Motor

250W

Peak 500W

Max Range

55Miles(88KM)

Battery

36V, 10.4Ah

Default Speed

6/10/15/25kmh(15.6mph)

Unlocking Speed

15/25/35kmh(21.7mph)

Theoretical maximum speed at full charge

Foldable

Yes

Detachable Battery

Yes

Up Hill

20%

Waterproof level

IPX4

Zero-Start

Yes

Recommended Age

14+

Package include

U4 electric bike, charger, pedals, instruction manual, tool kit

Specifications
Battery Capacity

375Wh

Charging Time

4-5h

Current&Voltage

Output: AC 100-240V, 50/60Hz, 2,5A
Input: DC 42V, 2A

Battery Protection

Temperature protection
Overload protection
Waterproof protection

Battery Type:

New Lithium Battery

Scooter Frame

Aluminum alloy

Net weight

58lbs(26.5kg)

Gross Weight

61.7lbs(28kg)

Display

Large LCD screen

Lighting system

Adjustable headlight

Handlebar Reflector

Tail light

Dimensions
Unfolded (length x width x height)

56.3" x 20.87" x 43.31"

Folded (length x width x height)

32.3" x 20.9" x 26.8"

Tyre size

16*2.15"

Seat height from ground

29.1" - 36.2"

Handlebar height from ground

40.6"

Recommended user height

55.1" - 70.9"(140cm-180cm)

Services
Guarantee 1 year
Battery Warranty 6 months
Shipping Fees Free in UK
Shipping From Warehouse in UK
Deliver Methods Truck delivery/DHL
Delivery Time 1-2days
Customer Service Phone/Email/Live chat

Customer Reviews

Based on 82 reviews
90%
(74)
10%
(8)
0%
(0)
0%
(0)
0%
(0)
J
Jessie Guthrie
U4 Foldable Step-Thru Electric bike

Jessie Guthrie.
Web site order and purchase was vary straight forward.
The bikes were packaged very well.
Easy to rebuild using the instructions supplied.
The bike rides and handles with no issues.
Would advise checking out Isinwheel.

C
C Byrd
A Vacation On Two Wheels!!!

The Isinwheel U4 feels like a vacation on two wheels. It's a simple pleasure. It was simple to put together. It's simple to operate (I barely had to read the user's manual). I can say more but I will get on with my review.
I purchased this for my wife. I wanted something that was sturdy and had some decent power, but not intimidating. It also had to look cool. This bike fits the bill perfectly. I put the bike together in less than 20 minutes. The battery had a decent amount of juice, so I didn't charge it fully before taking the test ride. I'm 6' 2" , 220 lbs. We live on a hilly street. I was able to zip up and down the streets fairly easily. I did have to use PAS but for the most part the ride was smooth and quiet.After the test drive, I took my wife and bike over to a local park for her test ride.

How did the ride go? She was thrilled. She marveled at the bike's smoothness and quietness. She learned how to use the controls very quickly. The only problem that was noted was a front brake squeal. I adjusted the brake without any problems.

The bike is very solid and heavier than expected. Nevertheless, I consider this a good purchase. Buy this bike. For it's price, it is a solid value!

M
Michelle
Great. Easy to put up from box

My grandson loves this he's 13years old. Great Xmas present

S
Stella Photis
Love my U4 eBike

So, i bought this bike as it was the only one I could find that was a good first starter and came in white. I'm 64 and haven't ridden a bike since I was a kid at school, and have never ridden an ebike, so complete beginner. Booked in some lessons and had my first lesson last Thursday. At first I was all over the place but once I experienced the throttle and the electric side of thingd, I was away. It is nerve wracking to start with but once you get the hang of it, you'll love it. I've alwayys been a driver and although I am aware of bikes and give them lots of space, it's really opened my eyes to the vulnerable and safety side of them on the road. Just love my bike and maybe in a year or so I'll be ready to upgrade, but for now, I'm loving it and the freedom it gives me. I recommend it to anyone who wants a safe and nippy little ebike. Bloody good price too and received it in 3 days. However, I also ordered the rear basket and front bag which comes from China and had to wait a few weeks to get them (snail mail).

T
Tequila358
Ebike

Bike seems to be quality Easy to put together. Has a slight issue with kickstand and the company readily worked with us to correct. Can’t wait for
Spring