Our classic frame with a modern twist; 25 years of perfection optimized for today’s standards.
Our Tetra frame is now offered with a new 44mm head tube and an oversized down tube. These changes create compatibility with tapered steerer forks, increases frame stiffness for a livelier feel, and provides more efficient power transmission.
The Tetra tube set and single, road frame was originally designed in 1987 and has been thoughtfully refined to its current incarnation over the last 25 years. Enjoy this article in Cycle Sport which describes in great detail our formative years and early achievements at the highest level of the sport. As the oldest continuously produced model of carbon fiber bicycle frame in the world, it has evolved to a state of perfection and value unmatched by any other frame.
- Available in Pro (road) and Adventure (endurance/gravel/cyclocross)
- 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 (Carbon wrapped bb only – not lugged)
- 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
- Best combination of stiffness and comfort for everyday riding
- Tubing is crash tolerant
- Lighter than Luna
- Highest performance coupled travel frame on market
More About the Tetra
Even bicycle enthusiasts and industry insiders are surprised to learn that Tetra was invented back in 1987 and only four years later was being ridden by Greg LeMond and his Team Z teammates in the world’s most important cycling event, the Tour de France. Greg wore the leader’s Yellow Jersey aboard our Tetra, then less than five years old. Today, nearly 20 years later, Tetra tubing and bicycle frames have been continually optimized; sharpened by improvements in raw materials, manufacturing processes and advantageous frame options.
With the Tetra frames, we saturate carbon fabric with epoxy, then laminate it at 210 p.s.i. and fuse it to pre-mitered carbon tubes using metal dies. Molded in one layup, the resulting joints have long tapered transitions from one tube to the next, following the stresses evenly. This manufacturing process seamlessly marries our roll-wrapped carbon tubing resulting in a frame without molded lugs. Fatigue life for these fiber reinforced joints is appreciably longer than that of adhesive bonds and, coupled with the tubing itself, is grounds for the Tetra’s 25 year warranty.