Integrated
Durable
Repairable

GD8

Gearbox Drive Unit. B2B solution that simplifies e-bike design and makes traditional gearing systems obsolete. Welcome to the future of e-bike powertrains.

Gearbox Drive Unit

The GD8 seamlessly combines a durable 8-speed gearbox with a powerful motor in a sealed unit.‍ Built to last and engineered for performance, it’s the ultimate powertrain for next-generation e-bikes.

Electronic Shifting

Ultra fast, consistent gear changes in any condition - under load, pedalling, not pedalling, even when stationary! Our patented electronic shifting technology sets a new standard for e-bike performance.

Circular by Design

We create high-performance products with purpose, designed for longevity and repairability. We're committed to providing spare parts for the long term, and the majority of our supply chain is powered by 100% renewable electricity.

A Full-System Solution

The GD8 is the most compact motor-gearbox unit on the market, offering seamless integration for bike brands.
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We supply the drive unit, battery, display, and shifter - everything needed to bring exceptional e-bikes to life.

Proven Technology, Ready to Scale

We've invested in production tooling and pilot production is now underway. The GD8 is industrialised and we're ready to scale. Reputable bike brands are already partnering with us to integrate the GD8 into premium e-bike designs.

Versatile & Belt-Drive Ready

Engineered for seamless integration, the GD8 delivers exceptional performance across a wide range of applications—mountain bikes, city, and cargo.

Compatible with the Shimano EP8 frame interface, available with integrated or external battery options, and chain or belt drive ready.