El UM Stretch longtail cargo bike is designed for compact urban living, featuring a lightweight, foldable structure that allows vertical storage and fits easily into apartments and bike rooms. An integrated safety rail and canopy deploys quickly as sunshade or rain cover, offering everyday protection for city rides.
Designed for young families, Stretch safely carries two children under five in a fully enclosed child seat system. A 250W mid-drive motor with 85Nm torque ensures smooth, confident riding, while smart features such as one-touch locking, tire-pressure monitoring, and anti-theft tracking deliver added safety and peace of mind.

Potencia del motor
Ananda Mid-Drive Motor 85N·m

Rango
60-130 km per Charge

Engranaje
Shimano Internal 8-Speed Shifting System

Max Gross
Max. 250kg including Human, Vehicle & Goods

Neumático
KENDA Tires, Front 24×2.4″, Rear 20×2.4″

Personalización
Apoyo
UM STRETCH
Foldable Cargo Bike - UM Stretch
Características principales
Designed for compact urban living, this longtail cargo bike features vertical storage and a foldable downtube, making it easy to park in apartments, bike rooms, or shared spaces — a rare advantage for a family bike in European cities.
The safety rail and rain canopy are integrated into one system, enabling quick folding y fast deployment. It protects children in daily rides and offers reliable sun and rain coverage — ideal for electric cargo bikes for the school run.
An optional fully enclosed child seat system provides added protection and peace of mind, making the bike perfectly suited for electric longtail cargo bikes to carry kids, especially for young urban families.
Optimized for balance and daily handling, the lightweight frame improves maneuverability while maintaining durability under load — a practical solution for brands seeking a versatile longtail bike for family and utility use.
Integrated smart features include one-touch locking, tire pressure monitoring, software-based tracking, and ABUS lock compatibility, helping prevent theft, reduce risk, and enhance daily safety for families.
Reinforced anti-puncture tires are designed for high loads and urban conditions, ensuring stable performance and reduced maintenance — essential for an electric cargo bike for the school run and daily commuting.
A modular dual-battery setup allows users to extend range as needed, supporting longer daily routes without compromising weight balance — ideal for family mobility and mixed-use scenarios.
Built with a modular ecosystem including MIK HD compatibility, the bike supports child seats, safety rails, front racks, and accessories, enabling brands to configure a family bike or utility model tailored to local market needs.

Hydraulic Disc Brakes
672Wh High-Capacity Battery(Dual Optional)
Puncture-Resistant Tires with Reflective Strips
Mid-Drive Motor 85N·m
Just 25kg – Easy to Handle, Transport, and Ride
Specification
| Overall Dimensions | 194cm×68cm×117cm(L×W×H) |
| Folded Dimensions | 690cm×68cm×117cm(L×W×H) |
| Weight | 25kg |
| Maximum Load Capacity | Max. 250kg including Human, Vehicle & Goods |
| Rango | 6-8h Charge, 60–130km Range.(Dependent on terrain, Rider weight, and Assist level). |
| Velocidad máxima | 25km/h (Complies with EU Regulations) |
| Material del marco | Aerospace-Grade Aluminum |
| Motor y par | Ananda Mid-Motor 250W, 85 N·m |
| Cubo de engranajes | Shimano 8-Speed Internal Gear Hub |
| Batería | 672Wh, Samsung Battery Cells(Dual Battery Optional) |
| Brakes | Hydraulic Disc Brakes |
| Display | Display Shimano Steps SC-E5000A |
| Tires | KENDA Tires, Front 24×2.4″, Rear 20×2.4″ , with Puncture-Resistant Belt and Reflective Strips |
| Passenger Capacity | 2 kids under 5 |
| Accessories | Child seats, safety rails, front racks, and other accessories. |
As urban logistics and family transport evolve, the longtail e cargo bike is emerging as one of the most versatile solutions for European businesses. An investigative study highlights why this design stands out in urban environments: Analyzing the impact of bicycle geometry and cargo loading on the rideability and safety of cargo bikes. The longtail e-cargo bike appeals strongly to family riders—especially mothers with two children—thanks to its lightweight durability, long range, and urban-friendly design, making it a high-demand, cost-efficient option for brands targeting the European market.
If you are considering whether a longtail e cargo bike or a front loader is best for your business, our dedicated article “Why Long Tail Cargo E-Bike Is Gaining Momentum Across Europe” provides in-depth insights.
En UM, a trusted LongTail Electric Cargo Bike Manufacturer, we have developed the UM Stretch to answer these growing needs. This model blends high load capacity with everyday maneuverability, enabling B2B clients to serve diverse markets—from last-mile delivery services to family-oriented mobility solutions.
Excelencia adaptada a sus necesidades
Servicios centrados en el cliente
En United Mobility, priorizamos a nuestros clientes, ofreciendo soluciones personalizadas y un soporte excepcional. Desde la personalización OEM/ODM hasta una garantía confiable y un servicio al cliente eficiente, nos comprometemos a garantizar su éxito en cada paso.
Servicio ODM
Nos especializamos en bicicletas eléctricas y de carga totalmente personalizables que se adaptan a sus necesidades específicas. Con equipos de diseño e I+D dedicados, ofrecemos soluciones innovadoras y de alta calidad adaptadas a su mercado.
Servicio de garantía
Garantizamos un rendimiento y una fiabilidad duraderos. No se preocupe por el servicio posventa. Nuestro compromiso con la calidad implica que cada producto está respaldado por rigurosas pruebas y certificaciones.
Atención al cliente
Nuestro atento equipo de atención al cliente está aquí para ayudarle en cada paso, desde las consultas de preventa hasta el soporte posventa. Con un tiempo de respuesta disponible las 24 horas, los 7 días de la semana, priorizamos su satisfacción y éxito.
Obtenga una cotización
Cuéntenos su demanda
Nuestro equipo experimentado está listo para brindar soluciones personalizadas para apoyar el crecimiento de su negocio.
Sí, nosotros proporcionar muestras Para pruebas de mercado. Los pedidos al por mayor tienen descuentos escalonados. Nuestro equipo de ventas le ofrecerá los precios detallados.
El tiempo de entrega estándar es 45-60 días Sujeto al volumen del pedido y a los plazos de producción. Ofrecemos envíos marítimos, aéreos o exprés según la demanda, y aceptamos condiciones comerciales flexibles como FOB, CIF y DDP.
Ofrecemos personalización para componentes clave como capacidad de la batería, parámetros del controlador, sistemas de frenos, colores de pintura y más.Haga clic aquí para obtener información sobre el servicio OEM/ODM)
O simplemente comparta sus requisitos (por ejemplo, bocetos de diseño o necesidades funcionales) y nuestro equipo le brindará una solución personalizada.
Nuestros productos están certificados con CE, TÜV y E-MARK, cumpliendo con los estándares europeos y norteamericanos. La fábrica opera bajo la ISO9001:2008 Sistema de gestión de calidad con múltiples inspecciones durante la producción para garantizar productos de alta calidad.
Ofrecemos una garantía de 2 a 8 años, Cubre componentes esenciales como motores y baterías. Para soporte posventa, contáctenos a través de nuestro correo electrónico o línea directa de servicio con su número de pedido y una descripción del problema. Nuestro equipo le responderá a la brevedad.