• 【250W Motor for Smooth & Reliable Power】

Equipped with a 250W motor, the B4 ensures stable acceleration and efficient performance for urban commuting, daily travel, and light off-road riding.

• 【48V 12.5Ah Battery – Up to 80 km Range】

The high-capacity lithium battery provides a range of 50–80 km per charge, offering dependable performance for both short trips and longer rides.

• 【20” × 4.0 Fat Tires for All-Terrain Stability】

Wide CHAOYANG fat tires enhance grip, balance, and shock absorption, ensuring a smooth ride on city streets, gravel paths, and uneven terrain.

• 【Hydraulic Disc Brakes & Front Suspension】

Front and rear hydraulic disc brakes deliver strong and responsive braking, while the front suspension fork improves comfort and handling on rough roads.

• 【Foldable Design with Urban Practicality】

The foldable aluminum frame allows easy storage and transport. Equipped with rear rack (15 kg capacity), fenders, LED lights, and LCD display for everyday convenience.

• 【Technical Specifications】

Model: UNIVERCYCLE B4
Battery: 48V 12.5Ah Lithium Battery
Range: 50–80 km
Assist Range: ≥60 km
Max Speed: 25 km/h
Frame Material: Aluminum Alloy 6061 (Foldable)
Wheel Size: 20 × 4.0 inches (CHAOYANG Fat Tires)
Gearing: Shimano 7-Speed
Sensor: Speed Sensor
Brakes: Front & Rear Hydraulic Disc Brakes (Power-Cut)
Suspension: Front Fork Suspension
Display: LCD Display with PAS Indicator
Lighting: LED Headlight & Rear Light
Charger: 54.6V 2A
Charging Time: Approx. 6 hours
Max Load: 100 kg
Rear Rack Load: 15 kg
Bike Weight: 26 kg
Weight with Battery: 29.6 kg
Dimensions: 176.6 × 61.5 cm
Handlebar Height: 115–124 cm
Tires: 20” × 4.0 All-Terrain Puncture-Resistant
Voltage: 48V