ridley fahrradrahmen Ridley Noah FAST Frameset

The Ridley Noah FAST Frameset is the platform behind one of the most aerodynamically refined road bikes Ridley has ever built. The Noah Fast has been Ridley's flagship aero race bike for years — a WorldTour-proven design developed and refined in collaboration with professional teams on the roads of Belgium and beyond. This frameset brings that race engineering to a build of your choosing, with three purpose-built aero technologies baked into every tube and surface.

Ridley calls the package FAST-Concept, and it's not a single feature — it's a system. The F-Brake is the most striking element: a fully integrated front brake hidden within the fork crown, eliminating the exposed caliper that creates turbulent drag on a conventional road bike. Ridley's testing shows it reduces turbulence and drag by 4.3%. The Extended F-Splitfork does something different — its split design directs turbulent air away from the front wheel spokes rather than allowing it to accumulate, producing an 8.2% reduction in drag at the front wheel. And the F-Surface paint finish isn't purely cosmetic: the textured surface increases laminar airflow over the frame, reducing drag by an additional 4.1%. Combined, Ridley attributes these technologies with delivering up to a 2.8km/h advantage in the sprint and requiring up to 20 watts less to hold a 40km/h breakaway compared to a non-optimized aero bike. Those are meaningful numbers, and they were the result of genuine engineering work rather than marketing arithmetic.

The frame itself is full carbon, built around a tapered head tube running from 1-1/8" at the top to 1-1/2" at the lower bearing — a standard that improves front-end stiffness and steering precision without adding weight. Angular contact bearings in the head tube contribute to that precise steering feel. An oversized BB30 press fit bottom bracket keeps the bottom bracket shell wide and stiff at the pedaling interface, and all cabling routes fully internally through the frame to keep the aerodynamic profile clean from stem to dropout. The Noah FAST is compatible with both electronic and mechanical shifting, so your component choices aren't restricted. This is a rim brake frameset — the integrated F-Brake system was designed for rim braking, and it's the platform for anyone who wants to build a fast aero road bike around a quality wheelset and groupset they already own.

Design Benefits

1. Integrated F-Brake eliminates front caliper drag. Rather than bolt a brake caliper to the fork, Ridley built the braking mechanism directly into the fork crown. The result is a clean leading edge with no exposed hardware disrupting airflow — 4.3% less turbulence and drag at the front of the bike.
2. F-Splitfork draws turbulent air away from the wheel. The fork's extended split design guides disturbed airflow around the wheel rather than into it, reducing drag at the front wheel by 8.2%. It's one of the more effective aerodynamic interventions on the bike because the front wheel is one of the largest drag sources on any road bike.
3. F-Surface paint finish increases laminar flow. The textured surface finish reduces aerodynamic drag by 4.1% by promoting laminar airflow attachment over the frame tubes. It works the same way dimples work on a golf ball — controlled surface texture outperforms a perfectly smooth surface in real-world airflow conditions.
4. Race-ready frame construction. Tapered head tube, angular contact bearings, and BB30 bottom bracket — the frame is built to transmit power and respond precisely without adding unnecessary weight to the equation.
5. Build it the way you want. As a frameset, the Noah FAST gives you control over the final build. Compatible with electronic and mechanical shifting, it works with existing rim brake groupsets and wheels. For a rider with quality components in hand, this is a rare opportunity to get a WorldTour aero platform at a fraction of the complete-bike price.

Final Take

The Ridley Noah FAST is a serious aero race frameset from a Belgian brand that has been building and refining this platform at the WorldTour level. The FAST-Concept technologies — integrated brake, split fork, surface finish — aren't afterthoughts; they're the reason this bike exists. For a rider looking to build a fast rim-brake road bike around components they already own, or who simply wants the best aero frameset available at this price point, the Noah FAST in XL is worth serious consideration. At $1,500, there isn't a comparable option in the market.