First Look: Calfee Tetra Adventure Classic

Greg LeMond's legacy lives on in the modern age


Craig Calfee‘s new Tetra Adventure Classic  was just one of the bikes we were looking forward to seeing up close at the postponed North American Handmade Bicycle Show.  Calfee is of course the famous NorCal builder who made carbon fiber history when he supplied Greg LeMond and the Z Team with a fleet of his full carbon frames in the 1991 Tour de France.

Fast forward nearly three decades later and Craig and his team of carbon artisans have now modernized the classic Tetra frame into something with a more accurate  interpretation of contemporary technology and design. No, not a gravel bike, although it could be.  In typical Calfee ingenuity and open-mindedness, the Tetra Adventure Classic frame can be specified in either Pro (road)  or Adventure (gravel) guise.  As with all things Calfee, customization runs in accordance with a legacy of artisan craftsmanship.

From the variety of models found on the Calfee Designs menu, the Tetra is one that relies on the small diameter tubes like the original Tetra, only now  they use both  a higher modulus construction with an advanced lay-up schedule.

The beautiful webbed lugs are all hand molded and add a distinctive signature to the bike. In addition to the Whiskey Parts carbon fork, new too are the solid and flattened carbon chainstays to bring some added compliance. 

Tetra Features:
Available in Pro (road), Adventure (endurance/gravel)
High modulus 42 and 55 msi roll wrapped tubes
Molded in one layup
Titanium dropouts
Optional S and S Machine couplers
Optional PressFit 30 carbon bottom bracket shell
Optional head tube and seat tube extensions
Optional rear axle spacing, tire clearance, brake type, cable routing and threaded eyelets
Optional custom frame geometry
Frame stiffness options
25 year warranty

Although the Tetra Adventure is available with more road oriented “Pro” geometry, the frame has room for up to 42mm tires making the it a truly capable dual-purpose bike. For more info: Calfee Designs

Photos: Chris Corona (@dirtdrops)


This is a real deal Calfee built LeMond race bike with full Campagnolo spec from the 1991 Tour de France.


Here’s one of Craig’s modern re-creations of the famous Tour de France Tetra. If there’s one thing that Calfee Designs can specialize in its custom anything; from geometry to tube selection to colors.


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