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Slot Drive Side View - Slot Drive uses a unique frame design that eliminates the bottom backet.
Slot Drive Rear Wheel View
Slot Drive Detailed View

The SLOT DRIVE bicycle propulsion system is designed to reduce the required range of motion of the rider's joints. The linear pedal position may also improve the effeciency of energy transfer to the wheels.

Freelance, Full-time
Michael McMillin
Architect / Visualization Artist Tulsa, OK