• 【Foldable & Space-Saving Design】

The compact foldable frame makes the U4 easy to store and transport—perfect for apartments, offices, or car trunks. Ideal for urban commuters with limited space.

• 【Removable Battery with Reliable Range】

Equipped with a 36V 10.4Ah removable battery (374Wh), offering up to 90 km of range. Charge it on or off the bike for maximum convenience.

• 【Comfortable Step-Through Geometry】

The low step-through frame allows effortless mounting and dismounting, making it suitable for a wide range of riders and daily city use.

• 【Smooth Ride with Suspension & Cushioning】

Front suspension combined with a reinforced ergonomic saddle absorbs shocks effectively, ensuring a comfortable ride even on uneven roads.

• 【Smart Riding Modes & Safe Braking】

Multiple riding modes (electric, pedal assist, manual, and walk assist) adapt to your needs, while dual disc brakes provide reliable stopping power for safer rides.

• 【Technical Specifications】

Motor: Brushless Motor
Battery: 36V 10.4Ah Lithium Battery (374Wh), Removable
Range: 55–90 km
Charging Time: 4–5 Hours
Battery Lifetime: Approx. 800 Charge Cycles
Charger: 100–240V AC, 42V 2.5A Smart Charger
Frame: Alloy Steel Foldable Frame
Tires: 16 × 2.15" Pneumatic Tires
Suspension: Front Suspension
Brakes: Front & Rear Disc Brakes
Lighting: LED Headlight (111 lumen) + Taillight
Max Climbing Ability: Up to 20%
Waterproof Rating: IP65 (Battery)
Max Load: 120 kg
Recommended Height: 160–192 cm
Bike Weight: 26.5 kg
Bike Size: 143 × 53 × 110 cm
Package Size: 126 × 21 × 65.5 cm