E-Cargo Bike Frame

MK’s E-Cargo frame is developed to support urban transport, delivery mobility, and heavy-load riding applications. Its frame structure is engineered to withstand the demands of carrying substantial weight while maintaining riding stability. A modular cargo design then allows loads to be configured or expanded as needed. Electric assist compatibility further supports easier movement of cargo, especially over longer distances or demanding routes.


Cargo bikes are designed to carry more than the rider alone, whether goods, equipment, or passengers. Mk’s E-Cargo frame platform builds on this function with modular cargo integration and electric assist support. The following highlights of this best cargo bike frame outline how the frame structure enables scalable transport capacity, riding stability, and load mobility.

 

  • Supports Heavy-Duty Load Transport

    The frame is engineered to handle the demands of carrying substantial cargo weight in urban and utility riding environments. Reinforced aluminum construction and load-focused structural design help maintain frame integrity and riding stability when transporting goods, equipment, or passengers over daily routes.

  • Enables Modular & Configurable Cargo Platforms

    The cargo platform is built from a modular frame and cargo sections that connect together as a system. Before the bike reaches the rider, these modules can be packed and shipped in a more compact form to reduce logistics volume. Once assembled, versatile mounting points and frame geometry allow different cargo box formats to be installed, such as front-loader or longtail cargo bike configurations.

  • Expands Carrying Capacity with Tow-Kit Integration

    An integrated cargo two interface allows additional cargo modules to be attached when greater transport volume is required. With quick connection capability, the system can expand total cargo space to over 200 liters, supporting scalable load capacity for extended journeys or higher-volume transport needs.

  • Provides Electric Assist for Load Mobility

    Electric assist compatibility helps riders move heavy cargo more efficiently. Motor and battery integration reduces physical strain, supports hill climbing under load, and improves overall transport range for delivery or utility riding applications

  • Stabilizes Cargo Handling & Parking Safety

    Cargo-specific structural support, combined with wheel brackets and reinforced box mounting, helps maintain stability during riding and loading. An integrated stand and parking brake system further support safe handling when the bike is stationary and carrying weight.

This alloy SUV frame OEM and ODM project with load transporting capability is developed to support heavy-duty transport, modular cargo integration, and scalable load capacity within a single mobility platform. Its structure enables brands to build electric cargo bikes suited to urban delivery, commercial logistics, and family transport applications. Contact us to discuss your cargo bike OEM/ODM development requirements and customization options.


Battery: Integrated Li-ion Battery; 36 V / 17.5 Ah (10S5P configuration)

Motor: 48V 500W Hub Motor

Frame Material: AA-6061

Bottom Bracket: BSA 73mm

Rear Hub Spacing (OLD): 9 × 138mm

Chainline: 52mm

Frame Design: Cargo-specific reinforced structure with tow-kit interface

Cargo Structure: 6000-series aluminum extrusion engineering tubes; AA-6061 aluminum wheel brackets; Colored acrylic cargo panels

Cargo Volume: Up to 200 L total capacity (100 L × 2 cargo modules)

Cargo Dimensions (Per Module): 790 × 610 × 290mm

Cargo Interface: Integrated MK cargo tow-kit interface; Quick connect expandable cargo system

Parking System: Integrated stand; Parking brake system

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