isinwheel
iSinwheel U4 Folding Step-Through Electric Bike for Commuting 36V 10.4Ah 16"
iSinwheel U4 Folding Step-Through Electric Bike for Commuting 36V 10.4Ah 16"
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Description
iSinwheel U4
The iSinwheel U4 Foldable E-Bike is built for riders who want power, range, and everyday convenience in one smart design. Powered by a 250W motor with a 500W peak, the U4 offers smooth acceleration and handles 20% inclines with ease.
Versatile Riding & Long Range
Its 36V 10.4Ah removable battery offers an impressive range of up to 55 miles per charge, supported by a smart BMS system for long-term reliability. With four distinct riding modes, you can choose the perfect pace for your journey, reaching top speeds of up to 19 mph.
Designed for Urban Living
The U4 is both foldable and lightweight, making it the ideal companion for those with limited space. Whether you're storing it in an apartment, an office, or a car boot, the quick-fold frame makes life simple. Plus, the removable battery allows you to charge up anywhere without needing to bring the entire bike indoors.
Comfort & Stability
Comfort comes built-in with 16×2.15" pneumatic tires and a well-balanced frame that provides excellent traction and stability. The ergonomic riding position is fully adjustable, featuring a seat height that can be tailored to your preference, ensuring every commute is stress-free and enjoyable.
Safety & Intelligence
Stay informed with the large LCD screen that tracks your speed, battery level, and trip info at a glance. For safer travels, the U4 is equipped with an adjustable headlight and a dedicated tail light, ensuring you remain visible during early morning or late-night rides.
Technical Specification
iSinwheel U4
+– Performance & Motor
- Motor: 250W Rated / 500W Peak
- Max Speed: 19 mph (30 km/h) Unlocked
- Climbing Ability: Up to 20% Incline
- Riding Modes: 4 Speed Modes
- Zero-Start: Supported
+– Battery & Charging
- Battery Capacity: 36V 10.4Ah (375Wh)
- Max Range: Up to 55 miles (88 km)
- Charging Time: 4–5 hours
- Battery Type: Removable Lithium with BMS Protection
- Water Resistance: IPX4
+– Build & Dimensions
- Frame Material: Aluminum Alloy
- Net Weight: 26.5 kg (58 lbs)
- Max Load: 120 kg (264 lbs)
- Unfolded Size: 56.3" × 20.87" × 43.31"
- Folded Size: 32.3" × 20.9" × 26.8"
+– Wheels & Comfort
- Tyre Size: 16 × 2.15" Pneumatic Tyres
- Seat Height: Adjustable 29.1" – 36.2"
- Handlebar Height: 40.6" (from ground)
- Rider Height: Recommended 140–180 cm (55" – 71")
+– Electronics & Safety
- Display: Large LCD (Speed, Battery, Mode, Trip)
- Lighting: Adjustable Headlight + Tail Light
- Protection: Temp, Overload, and Waterproof Protection
- Age Group: 14+ Years
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- Description
- Technical Specification
- Delivery & Returns
iSinwheel U4
The iSinwheel U4 Foldable E-Bike is built for riders who want power, range, and everyday convenience in one smart design. Powered by a 250W motor with a 500W peak, the U4 offers smooth acceleration and handles 20% inclines with ease.
Versatile Riding & Long Range
Its 36V 10.4Ah removable battery offers an impressive range of up to 55 miles per charge, supported by a smart BMS system for long-term reliability. With four distinct riding modes, you can choose the perfect pace for your journey, reaching top speeds of up to 19 mph.
Designed for Urban Living
The U4 is both foldable and lightweight, making it the ideal companion for those with limited space. Whether you're storing it in an apartment, an office, or a car boot, the quick-fold frame makes life simple. Plus, the removable battery allows you to charge up anywhere without needing to bring the entire bike indoors.
Comfort & Stability
Comfort comes built-in with 16×2.15" pneumatic tires and a well-balanced frame that provides excellent traction and stability. The ergonomic riding position is fully adjustable, featuring a seat height that can be tailored to your preference, ensuring every commute is stress-free and enjoyable.
Safety & Intelligence
Stay informed with the large LCD screen that tracks your speed, battery level, and trip info at a glance. For safer travels, the U4 is equipped with an adjustable headlight and a dedicated tail light, ensuring you remain visible during early morning or late-night rides.
iSinwheel U4
+– Performance & Motor
- Motor: 250W Rated / 500W Peak
- Max Speed: 19 mph (30 km/h) Unlocked
- Climbing Ability: Up to 20% Incline
- Riding Modes: 4 Speed Modes
- Zero-Start: Supported
+– Battery & Charging
- Battery Capacity: 36V 10.4Ah (375Wh)
- Max Range: Up to 55 miles (88 km)
- Charging Time: 4–5 hours
- Battery Type: Removable Lithium with BMS Protection
- Water Resistance: IPX4
+– Build & Dimensions
- Frame Material: Aluminum Alloy
- Net Weight: 26.5 kg (58 lbs)
- Max Load: 120 kg (264 lbs)
- Unfolded Size: 56.3" × 20.87" × 43.31"
- Folded Size: 32.3" × 20.9" × 26.8"
+– Wheels & Comfort
- Tyre Size: 16 × 2.15" Pneumatic Tyres
- Seat Height: Adjustable 29.1" – 36.2"
- Handlebar Height: 40.6" (from ground)
- Rider Height: Recommended 140–180 cm (55" – 71")
+– Electronics & Safety
- Display: Large LCD (Speed, Battery, Mode, Trip)
- Lighting: Adjustable Headlight + Tail Light
- Protection: Temp, Overload, and Waterproof Protection
- Age Group: 14+ Years
Order Confirmation: As soon as you place your order, we will pre-authorise your card however your card will not be charged. We will then contact our supplier to confirm that the product you have purchased is available for immediate shipment. Once confirmed we will process the payment and your order will be dispatched straight away. If there is any delay such as an item which is on backorder, we will void the pre-authorisation and contact you to let you know.
Order Delivery: Once your order has been placed, assuming it is in stock and available for dispatch, we will charge your card and your order will be dispatched within 5 working days. We’ll send you tracking details by email within 24 hours of your order being dispatched. If you have not received tracking details within 6 working days, please reach out to us via email at contact@e-sparkz.co.uk so that we can help.
Damages: We ask that you thoroughly inspect all items at the point of delivery. We advise you not to accept delivery of any damaged items. If you discover that an item has been damaged, please send clear photos of the damaged items to contact@e-sparkz.co.uk so that we can open an insurance claim on your behalf.
Cancellations & Refunds: Any orders cancelled after 48 hours of placing the order may be subject to additional fees. If your order has been dispatched, you (the buyer) will be responsible for any costs associated with returning the item. Any refunds can only be issued to the same payment method which was used to place the order.