Open U.P.PER. CONCE.PT Chassis
In stock at 1 shop in New York City
Prices and stock checked Oct 22.
Where to buy
1 shopAbout this bike
Ten years after the original OPEN U.P. defined what a performance gravel bike could be, the OPEN U.P.PER. Conce.PT Chassis arrives as the sharpest, lightest expression of that vision. This is the race-focused variant within the U.P.PER. 2.0 family — an 880g carbon frameset built with an ultralight layup, paired with Open's U-Turn Aero carbon fork, and designed from first principles around speed on mixed terrain. If you came to gravel to go fast, this is the chassis OPEN built for you.
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Open's design philosophy for the 2.0 generation is direct: aero where it matters, comfort where it counts. At the front end, where airflow arrives smooth and undisrupted, the Conce.PT goes deep. The headtube profile is aerodynamically shaped to cut cleanly through the air, paired with the U-Turn Aero fork whose blades are fully optimized for drag reduction — no cargo rivnuts, no concessions to anything but speed. Moving rearward through the frame, the calculus shifts. Straight chainstays deliver direct power transfer and accept tires up to 44mm — OPEN has tuned this tighter than the standard U.P. 2.0 by design, keeping the Conce.PT in race territory. The ultra-thin wire-stay seatstays are more engineered than they look: their bowed shape is pre-loaded sideways rather than downward, a 90-degree rotation from older designs that gives them exceptional vertical compliance without the frontal area penalty of conventionally tuned stays. The result is a gravel bike that absorbs chatter and road vibration without ever feeling soft or evasive under load.
Every size of the Conce.PT is individually engineered rather than simply scaled. OPEN specifies separate tube shapes, fork crown geometry, and carbon fiber layups for each frame size so that the M and L deliver identical handling character despite their dimensional differences. This is Open's A.I.R. approach — Agile, Integrated, Refined — and it explains why OPEN bikes feel like road bikes on gravel rather than gravel bikes that happen to be…
