isinwheel
Isinwheel U4 Electric Bike
Isinwheel U4 Electric Bike
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15.5 MPH / Top Speed
55 Miles Max Range
Motor Power / 250W
264 lbs Max Payload
IP54 Water Resistant
Front Fork Suspension
Key Highlights:
Daily commuting made simpler. The Isinwheel U4 makes moving through your city effortless and stylish. Its foldable design gives you the freedom to skip the traffic and own your schedule while saving you time, money, and daily frustrations.
Specifications:
Motor: 250W hub motor
Battery: 36V 10.4Ah lithium battery
Top Speed: Up to 25 km/h (15.5 mph)
Range: Approximately 55 miles (88 km) per charge
Weight: Approximately 26.5 kg (58 lbs)
Max Load Capacity: 120 kg (264 lbs)
Tires: 16-inch pneumatic tires
Suspension: Reinforced saddle suspension
Charging Time: Approximately 4-5 hours
Brakes: Dual disc brakes
Frequently Asked Questions (FAQs)
Answers to Your Most Common Questions About E-Mobility, Shipping, Warranties & More
How long does it take for my order to be processed & shipped?
Orders typically take3–5 business days to process. Once your item is ready for shipment, it will be packaged within 1–2 business days and you’ll receive tracking information via email within 24 hours of dispatch.
How long does delivery take for each brand?
We offer free UK shipping across all electric bikes and scooters. Delivery times vary by brand and start after order processing is complete (3–5 business days):
- HITWAY: 3–5 business days
- ECORUSH: 3–5 business days
- iSCOOTER: 5–7 business days
- ISINWHEEL: 5–7 business days
- TOUROLL: 7 business days
- ELEGLIDE: Up to 7 business days
- AiTOUR: 10-15 Business Days
- HYGGE: 1–2 weeks
- NANROBOT: 4–12 weeks (or 8–14 weeks if customs inspection is required – these are built to order)
Do Volt Ventures products come with a warranty?
Yes! All electric bikes, scooters, and accessories sold by Volt Ventures are covered by a manufacturer-backed warranty. We only work with trusted brands that offer reliable after-sales support.
( Except Nanrobot Products )
Who handles warranty repairs — Volt Ventures or the brand?
We work closely with our suppliers and manufacturers to handle all warranty claims efficiently. Depending on the brand and issue, the repair or replacement may be handled directly by the brand or through our team.
Where can I find detailed warranty information for each brand?
Each brand we stock has its own specific warranty coverage for electric bikes and scooters — including what’s covered, what’s excluded, and how to make a claim.
👉 You can view full brand-by-brand warranty details on our Shipping Policy Page.
📜 Once you're on the page, scroll down to find the “Brand Warranty Details” section for full information on brands like HITWAY, ECORUSH, iScooter, ISINWHEEL, Touroll, Nanrobot, Eleglide, and HYGGE.
What is your return and refund policy for electric bikes and scooters?
At Volt Ventures, we offer a 30-day return policy on all eligible electric bikes, scooters, and accessories. Items must be unused, in original packaging, and include proof of purchase. To request a return, email sales@voltventures.co.uk. Return shipping costs are the responsibility of the customer.
Once we receive and inspect your return, you’ll be notified of approval. If approved, your refund will be issued to your original payment method within 10 business days. Please note that banks and card providers may take additional time to process the refund.
If it has been over 15 business days since your refund was approved and you’ve not received it, contact us at sales@voltventures.co.uk or call 0330 122 0545.
For EU and UK customers, a 14-day cooling-off period also applies under distance selling regulations.
