South San Francisco Engineered

Modular Architectures for Bay Area Transit

Precision alloy frames and belt-drive systems built for continuous urban mileage and fleet durability.

Our Platforms

Engineered for Every Ride

From daily commutes to heavy-duty logistics, our builds prioritize reliability and field-serviceability.

Urban Commuter

Utility Fleet

Custom Alloy Frame

Commuter platforms offer internal hub gears and weather-sealed ceramic bearings for low-maintenance daily transit.

Fleet cargo bikes feature reinforced headtubes and standard front-rack mounting points, designed for heavy loads and rigorous use.

Custom alloy frames built to specific rider geometry and weight distribution specs, ensuring optimal performance and fit.

Commitment to Longevity

Field-Serviceable. Resilient. Built to Last.

We stock replacement components and maintain a parts standard that ensures continuous operation for every Six Cycles build, minimizing downtime for critical fleet operations.

Ready to Specify Your Fleet?

Contact our team to discuss custom configurations and commercial partnership opportunities.