Family S

The Family S cargo bike is a premium solution for families and businesses seeking style, comfort, and practicality in one package. Designed with a sturdy aluminum frame, this high-end model features a spacious cargo box capable of accommodating up to four children or heavy loads with ease. Equipped with a powerful mid-drive motor, long-lasting lithium-ion battery, and advanced hydraulic disc brakes, the Family S delivers a smooth, safe, and efficient ride across urban and suburban terrains.

Motor Power

250W Pedel Assist

Range

50-65km Riding

Gear

Enviolo Heavy Duty

Payload Capacity

Max. 300kg/660lb

Tire

20” front; 26” rear

Customization

Support

Business Solution

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Main Features

Powerful Mid-Drive Motor

Spacious Cargo Box

Long-Range Battery

Adjustable seat

Child Seat Safe Belt

LCD Screen

LED Light

Powerful Safety Braking System
Fitted with Pioway hydraulic disc brakes for fast, smooth, and safe stopping, especially under heavy loads. The uphill parking system enhances safety during stops on steep slopes.
Industry-Leading Frame Durability
Tested by TÜV and subjected to computer-simulated stress tests, the frame is built to endure heavy loads and challenging terrains. Its robust design ensures reliability and longevity for all environments.
LCD Screen & Shimano Gear System
Choose between the Shimano Nexus 7-speed gear system (customizable) or the Enviolo heavy-duty hub for flexible speed adjustments. Whether on flat roads or steep hills, enjoy effortless gear shifting for a better riding experience.
Large Capacity E0 Level Box
It features child safety belts and cushioned seats for a comfortable and secure ride. The widened seat, made with eco-friendly foam, offers an enhanced experience for young passengers, and more room for your package.
Brushless Mid-mounted Motor
Equipped with a finely tuned Ananda 250W 48V mid-drive motor delivering up to 120NM of torque, this bike makes it effortless to tackle steep inclines and heavy loads. The torque sensor ensures smooth rides and optimizes power efficiency.
Versatile Accessories
Comes with essential accessories like child safety belts and non-slip mats, and offers optional add-ons like a weatherproof canopy for all-weather protection. The removable full-coverage canopy shields you and your family from sun, wind, and rain, enhancing travel comfort.
Vehicle Weight & Dimensions76.4kg
2270*900*1200mm
Battery48V, 13.4AH, 643.2WH
Under the Seat in Luggage Carrier
Battery Performance6–8h Charge, 50–65km Range.
(Dependent on terrain, Rider weight, and Assist level).
Wheel Size20″ × 2.125 Front Wheel;  26″ × 2.125 Rear Wheel
Maximum speed25km/h
(Complies with EU Regulations)
Gear hubEnviolo Heavy Duty/Shimano Hub Gear
(Customizable)
MotorANADA, 250W, Mid Motor, 120N.m
Climbing Ability (Slope)25° slope
Frame MaterialFront: Steel; Rear: Alloy 6061 Aluminum
Brake SystemDurable and Low-maintenance Pioway hydraulic disc brake
Cargo Box Material9-layer E0 grade waterproof glued plywood, a 12mm wooden board with top-tier environmental certification and low formaldehyde emissions (≤0.5mg/L)
Cargo Box Payload Capacity300 kg
(Suitable for Carrying Up to 4 Children Under 7 Years Old).

Recommended Rider Heights165-195cm / 5’5″-6’5″
Seat Height94-114cm / 37″-45″
Total Length226cm / 89″
Width at Widest Point90cm / 35.4″
Handlebar Width63.5cm / 25″
Handlebar Height119cm / 47″
Usable Length of Rear Rack378mm / 15”
Rear Rack Capacity25kg / 55 lb
Total Loading Capacity of Bike300kg / 660 lb
Max Loading Capacity of Cargo Area120-150kg / 250-300 lb
Bike Weight76.4kg / 168 lb
Seatpost DiameterΦ31.6
Cargo Box Internal Width580mm / 23”
Wood Thickness1.2cm / 0.47″
Cargo Box Length105.6cm / 42″
Cargo Box HeightF: 460mm / 18″ R: 535mm / 21”
Height of Benches from Floor21.3cm / 8.4″
Height from Ground to Floor of Box30mm / 12”

Excellence Tailored to Your Needs

Customer-Centric Services

At United Mobility, we put our customers first, delivering personalized solutions and exceptional support. From OEM/ODM customization to reliable warranty and responsive customer service, we are committed to ensuring your success with every step.

OEM/ODM Service

We specialize in fully customizable e-bikes, cargo bikes to match your unique specifications. With dedicated design and R&D teams, we deliver innovative and high-quality solutions tailored to your market.

Warranty Service

We ensure long-lasting performance and reliability. No worry about the after-sale service. Our commitment to quality means every product is backed by strict testing and certification.

Customer Support

Our responsive customer service team is here to assist you at every step, from pre-sales inquiries to after-sales support. With a 24-hour and 7 days a week response time, we prioritize your satisfaction and success.

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Tell Us Your Demand

Our experienced team is ready to provide tailored solutions to support your business growth.

Yes, we provide samples for market testing. Bulk orders are eligible for tiered discounts; Our Sales Team will offer you the detailed pricing.