A Breakthrough Co-Development by SEG Automotive and Octagon
The Kreutzer motor is the flagship result of a powerful collaboration between SEG Automotive and Octagon, bringing together two worlds—century-old engineering expertise and agile tech innovation.
Co-developed from the ground up, this mid-engine e-bike system with automatic shifting delivers a seamless blend of comfort, performance, and intelligence—engineered specifically for premium and performance-oriented e-bike models, where power, performance, and riding experience are paramount.
Drawing from SEG Automotive’s century-long expertise in e-machine manufacturing and Octagon’s agile, innovation-driven approach, the Kreutzer motor is designed for premium and performance-oriented e-bikes where power, precision, and ride quality are paramount.
Technical Overview
- Motor Type: Compact Mid-Drive
- Weight: < 2.5 kg
- Peak Power Output: 600 W
- Maximum Support: Up to 400%
- Shifting System: Patented Kreutzer HYPERSHIFT (automatic)
- Noise Level: Ultra-low / whisper-quiet
- Integration: Compatible with a wide range of e-bike components and configurations
Dynamic & Lightweight Design
Weighing in at under 2.5 kg, the Kreutzer motor offers high power density in an ultra-compact form factor. Its mid-engine placement allows for seamless frame integration, improving weight distribution and ride stability—without compromising performance.
Smart Shifting Technology
At the heart of the system lies the proprietary Kreutzer HYPERSHIFT—a patented automatic shifting technology that adapts in real-time to rider behavior, cadence, and terrain. The result? Smooth, intuitive gear transitions that make every ride effortless.
Durability & Reliability
Built using automotive-grade engineering standards from SEG Automotive, the motor is optimized for longterm reliability, robust thermal management, and consistent performance under varied riding conditions. It supports flexible integration with a wide range of drivetrain and sensor setups.
Silent Operation
Thanks to precision manufacturing and optimized drive algorithms, the Kreutzer operates at near-silent levels, enhancing ride comfort without compromising power output.
Refurbishment & Upgrade Kits
Extend Life. Enhance Performance. Embrace Sustainability.
At Octagon, we believe the future of electric mobility isn’t just about new products—it’s about smart, sustainable evolution. That’s why we’ve developed a line of advanced refurbishment kits, specifically designed to be compatible with e-bikes equipped with systems from other motor manufacturers.
These kits go far beyond traditional repairs or part replacements. They’re engineered to revitalize and upgrade existing e-bikes, bringing them up to modern performance standards—as if they were brand new. Whether it’s an aging powertrain, outdated firmware, or declining ride efficiency, our kits provide a comprehensive solution to breathe new life into older e-bikes.
Collaborating for Excellence
The Octagon–SEG Automotive partnership is more than a supply chain alliance—it’s a shared vision for the future of mobility.
Learn about partnerships