Schwinn's Project Colorado and Project Underground

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Project Underground (Thermoplastic)

All images courtesy of Jeff Archer of First Flight Bikes and the MOMBAT.

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Project Underground (aluminum)

The Project Underground (aluminum) was the forerunner to the Homegrown. From former Schwinn engineer Rich Adams:

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Control Tech manufactured all 300 or so of the original red and black Project Underground bikes. All these bikes were kitted and shipped from the Boulder Test Center by members of the product team.

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