Features
Quick Transformation
From bike trailer to hand truck in seconds (target)
The innovative folding system is designed to enable quick switching between both usage modes without tools. This feature is currently being developed and optimized.
High Load Capacity
Planned: Up to 120kg as hand truck
The robust construction from high-quality material aims for maximum stability and durability. Current tests are validating these target values.
Universal Coupling
Development goal: Compatible with all bicycles
The special quick-change coupling is being developed to enable tool-free mounting on all common bicycle types. Compatibility testing is ongoing.
PAKKER in Action
Discover the versatile possibilities of the Packer in our videos
Quick Transformation
From trailer to hand truck in seconds
The Packer can be transformed from a bike trailer to a hand truck in just a few seconds. The innovative folding mechanism enables quick switching between both modes without tools. This way you can comfortably cycle to the shops, convert the trailer into a hand truck on site and transport all your purchases without problems - even over stairs and through narrow doors.
Maximum Flexibility
Convenient transport of Euro boxes
The Packer is specially optimized for transporting standardized 600x400 mm Euro boxes. This compatibility opens up unlimited possibilities for transporting goods, tools or personal items. The boxes can be securely fastened and provide additional weather protection. With the Packer you can transport up to 50 kg in trailer mode and up to 120 kg in hand truck mode.
Practical in Everyday Life
Transport groceries and more easily
The Packer is your perfect companion for everyday transport tasks. From bulk shopping to beverage crates to bulky items - with the Packer you transport everything effortlessly and environmentally friendly. The universal coupling fits any bike and can be attached without tools. After use, you can disassemble the Packer to save space and store it in a Euro box.
Urban Mobility
Sustainable travel in the city
The Packer revolutionizes urban mobility and makes cars unnecessary in the city. With it you can travel environmentally friendly and traffic-jam-free while still fulfilling all your transport needs. The smart Packer app offers additional functions such as theft protection, side distance sensor and maintenance reminders. Thanks to local and sustainable production, the Packer contributes to reducing CO2 emissions.
Discover the Packer
Hover over the points to learn more about the features
Innovative Frame Structure
Stable 3D-printed frame, carries up to 200kg in trailer mode
See the PAKKER in Action
Experience how easily the Packer can be used in everyday life
Technical Specifications
* Preliminary specifications - subject to change. Product in development.
* Preliminary specifications based on prototype testing. Final values may vary. ** Compatibility testing for final version in progress.
Choose Your PAKKER Journey
From DIY enthusiasts to commercial producers, we have the perfect option for you. Register your interest today and be among the first to revolutionize urban transport.
⚠️ Development Notice: PAKKER is currently in active development. All specifications, features, and prices shown are preliminary and subject to change before the final product release.
PAKKER Build Kit
Pre-printed parts & components
- 3D-printed core components
- Pre-assembled wheel set
- All hardware included
- Eurobox compatible
- Assembly manual & app access
- 2-hour assembly time
DIY Digital Package
Complete blueprints & files
- Complete CAD files
- STL files for 3D printing
- Detailed production guide
- Bill of materials
- Community forum access
- Lifetime updates
Production License
Commercial manufacturing rights
- Commercial production rights
- Quality certification program
- Marketing materials
- Technical support
- Territory exclusivity options
- Revenue sharing model
Join the sustainable transport revolution
Important Notice
PAKKER is a prototype in development phase and currently not available for purchase. This website serves exclusively to provide information about the development project and to collect interest information for a possible future market launch. All information about product features, prices and availability is non-binding and subject to change.
* The Packer does not support automatic obstacle avoidance. When cycling with the attached trailer, the rider is responsible for compliance with traffic regulations and road safety. When using in public areas, the user must be qualified and ensure that the vehicle complies with local regulations.
** All data on this page was measured with a Packer production model in a controlled environment. Actual performance and data may vary depending on environment, usage, load and production batch.
*** All videos and images on this page were recorded with the Packer by professionals in strict compliance with local laws and regulations and edited differently in post-production. All videos and images are for reference only. Actual results may vary. Before use, ensure that your Packer meets the corresponding local safety standards and certifications.
**** All images, videos and representations of the product on this page are for reference purposes only. Actual product characteristics (including but not limited to appearance, color, size and materials) may vary. The final product specifications are subject to the actual product received.
- Product weight may vary slightly due to differences in material and other manufacturing factors. Please refer to the actual product.
- As of March 2025.
- When using the Packer as a bicycle trailer, observe the maximum load of 50 kg. When used as a hand truck, the maximum load capacity is 120 kg. Exceeding the maximum loads can cause damage to the product and endanger safety.
- The Packer is not designed for transporting people or animals and must not be used for this purpose.
- The smart functions require connecting the Packer to a smartphone via Wi-Fi and activation in the Packer app.
- A smartphone with iOS 12.0 or higher or Android 8.0 or higher is required to operate the app.
- The Packer app supports voice control in German and English. The language used depends on the system language of the connected mobile phone.
- Before each ride, ensure that all components are properly secured and the quick-change coupling is correctly attached to the bicycle.
- Special care should be taken when using as a hand truck on uneven surfaces. The specified maximum load capacity only applies on level, solid ground.
- The space-saving function and dismantlability of the Packer requires that all components are assembled and disassembled according to the instructions. Improper handling can lead to damage.
- The Packer does not provide weather protection for transported goods. For transport in rain or other adverse weather conditions, the use of waterproof containers or covers is recommended.
- The 3D-printed components may lose strength and flexibility at temperatures below -10°C or above 50°C. Avoid use under extreme temperature conditions.
- The use of the Packer may be subject to special legal provisions in some regions. Before use, inform yourself about local regulations for bicycle trailers.
- For the open-source construction plans of the PAKKER: Private, non-commercial use is permitted without license. A license agreement is required for commercial use. More information can be found in our terms of use.
© 2025 Tekkler Tools. All rights reserved.
PAKKER App (in development)
The smart app is currently being developed and not yet available