iSinwheel U3 Foldable Electric Bike

The isinwheel U3 Foldable Electric Bike is built for urban commuters and adventure seekers who want a compact, foldable, and powerful e-bike. Powered by a 250W motor (500W peak), it reaches speeds of up to 18.6 MPH (30 km/h) and offers throttle speed options at 10/15/25/30 km/h. Its 36V 7.8Ah lithium battery delivers a range of 21–35 miles per charge, with a quick charging time of just 2–3 hours.

Designed for comfort and durability, the U3 features 16×1.75-inch pneumatic tires, an adjustable sport cushion seat, and a front suspension fork with adjustment. With a sturdy alloy steel folding frame, hydraulic 160mm disc brakes, and a 2-year warranty, the U3 is a versatile and reliable choice for daily commuting and weekend rides.

Why Riders Choose the U3

• 250W motor (500W peak power) with smooth acceleration.

• 36V 7.8Ah battery with 21–35 miles per charge.

• Quick 2–3 hour charging with a long 800-cycle battery life.

• Hydraulic 160mm front & rear disc brakes for powerful stopping.

• Front suspension fork with adjustment for smoother rides.

• Foldable alloy steel frame for portability and storage.

• Bright 111-lumen LED headlight + taillight for safe night rides.

• LCD display with speed, battery, and riding data.

• Ergonomic adjustable sport cushion seat for comfort.

• Supports riders 5’1”–6’1” up to 264 lbs.

Power and Endurance

Spec	Detail
Motor	250W (500W peak)
Battery	36V 7.8Ah lithium (IP65 waterproof)
Max Speed	18.6 MPH (30 km/h)
Range	21–35 Miles (35–55 km)
Charging Time	2–3 Hours
Battery Lifetime	800 Charges
Controller	36V, max output 15A

Comfort, Safety & Control

• 16×1.75-inch pneumatic tires – stability on city roads.

• Front suspension fork (adjustable) – absorbs bumps for comfort.

• Hydraulic 160mm disc brakes – strong, responsive braking.

• Ergonomic sport cushion seat – breathable & adjustable height.

• LED headlight & taillight – visibility in all conditions.

• Alloy steel folding frame – sturdy, durable, and compact.

Smart Tech On-Board

• LCD display (6.5×4.7 cm) showing speed, battery, and modes.

• Throttle settings – 10/15/25/30 km/h selectable.

• Quick folding design – perfect for city commuters.

Fit & Dimensions

Spec	Measurement
Bike Size	55.9 × 22 × 37 in (142 × 56 × 94 cm)
Folded Size	32.7 × 14.2 × 24.8 in (83 × 36 × 63 cm)
Net Weight	51.4 lbs (23.3 kg)
Max Load	264 lbs (120 kg)
Rider Height	5’1” – 6’1” (155 – 180 cm)
Wheelbase	37.4 in
Handlebar Width	22 in
Handlebar Height	37 – 43.7 in adjustable
Saddle Height	27.6 – 37.8 in adjustable
Standover Height	20 in

What’s in the Box

• iSinwheel U3 Foldable Electric Bike ×1

• Charger ×1

• Pedals ×1

• User Manual ×1

VoltCentre Promise

Free Shipping – Fast delivery with real-time tracking.
Warranty & Coverage – Backed by manufacturer warranty plus VoltCentre’s support.
Curated Collection – Only rider-tested, approved products make it to our store.

isinwheel Warranty

Our warranty policy covers all the products in your order for up to 12 months after sales (excluding accessories). The 30-day return and refund policy allows you to buy with peace of mind.

• Shipping damage

  • Inspect on delivery and note any damage on the Bill of Lading

  • Photograph the packaging and product; keep all materials

  • File a damage claim within 14 days via customer support

• How to file a warranty claim

  1. Contact VoltCentre (or your original seller) with your order/invoice number

  2. Provide the scooter’s serial number, clear photos/video, and a description of the defect

  3. Return the item in original or dealer-approved packaging if requested

• Valid proof of purchase

  • Online order number from an authorised isinwheel reseller

  • Sales invoice

  • Dated sales receipt (more than one document may be required)

• Warranty is void if

  • Product is out of warranty, lost, stolen, or complimentary

  • Damage results from water, misuse, collisions, self-modifications, or incompatible accessories

  • Unsupported software/firmware has been installed

  • Sufficient proof of purchase is not provided

  • Product was bought from an unauthorised seller

• Out-of-warranty parts & repairs

  • Replacement parts are available at manufacturer pricing

  • Contact customer support for quotes or repair requests (responses within business hours)