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

Outdoor Adventures
Transport gear for camping, fishing, or sporting activities.

Package Delivery
Ideal for postal and parcel deliveries, especially in busy urban areas.

Pets-Friendly Ride
Easily transport pets with special compartments designed for safety and comfort.

Service & Maintenance
Transport tools and equipment for fieldwork or facility services.

Eco-Tourism
Offer tourists a sustainable way to explore and carry their belongings.
Get In Touch
Main Features
- Powerful motor for smooth and effortless uphill rides
- Long battery range for extended daily trips
- Reliable hydraulic brakes ensure safe stopping
- Spacious cargo box for family or heavy loads
- Eco-friendly materials for durability and sustainability
- Comfortable seats designed for long rides
- All-weather canopy for any conditions
- Flexible gears for diverse terrains
- Adjustable height fits all riders easily
- Customizable accessories for personal needs

Powerful Mid-Drive Motor
Spacious Cargo Box
Long-Range Battery
Adjustable seat
Child Seat Safe Belt
LCD Screen
LED Light

Powerful Safety Braking System

Industry-Leading Frame Durability

LCD Screen & Shimano Gear System

Large Capacity E0 Level Box

Brushless Mid-mounted Motor

Versatile Accessories
- Main Specifications
- Dimensions
Vehicle Weight & Dimensions | 76.4kg 2270*900*1200mm |
Battery | 48V, 13.4AH, 643.2WH Under the Seat in Luggage Carrier |
Battery Performance | 6–8h Charge, 50–65km Range. (Dependent on terrain, Rider weight, and Assist level). |
Wheel Size | 20″ × 2.125 Front Wheel; 26″ × 2.125 Rear Wheel |
Maximum speed | 25km/h (Complies with EU Regulations) |
Gear hub | Enviolo Heavy Duty/Shimano Hub Gear (Customizable) |
Motor | ANADA, 250W, Mid Motor, 120N.m |
Climbing Ability (Slope) | 25° slope |
Frame Material | Front: Steel; Rear: Alloy 6061 Aluminum |
Brake System | Durable and Low-maintenance Pioway hydraulic disc brake |
Cargo Box Material | 9-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 Capacity | 300 kg (Suitable for Carrying Up to 4 Children Under 7 Years Old). |
Recommended Rider Heights | 165-195cm / 5’5″-6’5″ |
Seat Height | 94-114cm / 37″-45″ |
Total Length | 226cm / 89″ |
Width at Widest Point | 90cm / 35.4″ |
Handlebar Width | 63.5cm / 25″ |
Handlebar Height | 119cm / 47″ |
Usable Length of Rear Rack | 378mm / 15” |
Rear Rack Capacity | 25kg / 55 lb |
Total Loading Capacity of Bike | 300kg / 660 lb |
Max Loading Capacity of Cargo Area | 120-150kg / 250-300 lb |
Bike Weight | 76.4kg / 168 lb |
Seatpost Diameter | Φ31.6 |
Cargo Box Internal Width | 580mm / 23” |
Wood Thickness | 1.2cm / 0.47″ |
Cargo Box Length | 105.6cm / 42″ |
Cargo Box Height | F: 460mm / 18″ R: 535mm / 21” |
Height of Benches from Floor | 21.3cm / 8.4″ |
Height from Ground to Floor of Box | 30mm / 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.
Get A Quote
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.
Standard delivery time is 45-60 days , subject to order volume and production schedules. We provide shipping via sea, air, or express services depending on the demand, and support flexible trade terms like FOB, CIF, and DDP.
We offer customization for key components such as battery capacity, controller parameters, brake systems, paint colors, and more.(Click here for OEM/ODM service information)
Or simply share your requirements (e.g., design sketches or functional needs), and our team will provide a tailored solution.
Our products are certified with CE, TÜV, and E-MARK, meeting European and North American standards. The factory operates under the ISO9001:2008 quality management system with multiple inspections during production to guarantee high-quality products.
We offer a warranty of 2-8 years, covering core components such as motors and batteries. For after-sales support, contact us via our service email or hotline with your order number and a description of the issue. Our team will respond promptly.