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Ridley Noah Fast Road Bike Frame - 2013

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Item # RID000M

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The original Ridley Noah was one of the industry's first road bikes to be largely designed around aerodynamics. This 2013 Noah Fast Road Bike Frame is a culmination of three tireless years on the drawing board and in the in wind tunnel — research that'll go towards giving gutsy solo breakaway pilots every possible advantage that they need to win. And one huge quantifiable advantage of the Noah Fast is the power savings — a full 20 fewer watts are required to average a 40km/h (just under 25 mph) breakaway. If those are 20 extra watts that your competitors are expending, guess who crosses the line in first place?

The Ridley Noah Fast shares the same carbon fiber blends (50, 40, and 30-ton carbon fibers), geometries and proven aerodynamic features as its Lotto-Belisol team-issue iteration, including that of an aerodynamic down tube, internal cable routing, an aero seat tube that extends into an integrated seat mast, plus a deep rear wheel cut-out. But what drastically sets the Noah Fast apart from the standard Noah, as well as many other "aerodynamic" frames, is its use of Ridley's FAST Concept Technology and radical new front and rear integrated F-Brake system. As a result, the Fast is, well, faster than the standard Noah, and of course, faster than the competitors. The F-Brakes are not unlike the linear-pull brakes seen on TT bikes, but with significantly greater power modulation. Both calipers hide completely out of the wind behind the slotted 4ZA F-Splitfork and rear seatstays, respectively. In addition to the aerodynamic benefits of these hidden brakes, the lack of a brake caliper actually helps further reduce the frame weight and adjustment complications, due to the simple cable-actuated lever near the handlebars.

True to the Noah line, the Fast also utilizes Ridley's slotted front fork, which focuses on one specific issue of bicycle aerodynamics: According to Ridley, your wheels produce eight times more drag where they pass through your fork and seatstays, due to the turbulence of the colliding air masses there. The Noah is built to minimize this drag with its use of long, slotted airfoils that are built into both the fork legs and the seatstays. These airfoils redirect oncoming air away from the turbulent areas near the wheels.

The story of the Noah doesn't stop at fork innovations in order to improve aerodynamics. Ridley used oil mapping in the wind tunnel to isolate spots of turbulent airflow. And where structural limitations kept Ridley from re-sculpting the frame, it applied a textured surface treatment for boundary layer control. Ridley calls it "F-Surface," also affectionately referred to as "aero paint." These thin strips of texture are amazing, they purposely trigger a known amount of turbulence that re-energizes lost boundary layers, ultimately re-establishing laminar flow, and minimizing drag. In other words, they carefully create an airflow mess in order to make an unprecedented cleanliness. Airflow control is why you see vortex generators on aircraft wings, and why you see dimples on golf balls. And it's exactly what Ridley does with its F-Surface paint.

The Ridley Noah Fast Road Bike Frame - 2013 is available in the sizes Small, Medium, and Large and in the colors Black/white and Team. Given its semi-compact geometry, we strongly suggest that you focus on the effective top tube length as you make a determination of the proper size. And whether you choose to build your Noah Fast up with a SRAM, Shimano, or Campagnolo groupset, Ridley has assured us that the F-brakes are fully compatible with all three. The Noah Fast requires a PressFit30 compatible bottom bracket and a braze-on front derailleur. It includes a 120 gram seat clamp assembly that allows an 18mm range in saddle height and comes with 1mm micro-spacers for small adjustments. Ridley also offers an aftermarket clamp that provides 40mm of height adjustment.

Tech Specs

Frame Material:
50, 40, 30-ton carbon fiber
Fork Material:
50t HM unidirectional carbon fiber
Fork Blade Shape:
Steer Tube Type:
tapered carbon fiber
Rear Axle:
130 mm
Dropout Type:
Replaceable Rear Derailleur Hanger:
Head Tube Diameter:
1-1/2 to 1-1/8in tapered
Headset Included:
yes, FSA integrated
Bottom Bracket Type:
Front Derailleur Mount:
Derailleur Pull:
Cable Routing:
Compatible Components:
Shimano, SRAM, Campagnolo
Frame-Only Weight:
[size Medium] 1400 g
Recommended Use:
road cycling and racing
Manufacturer Warranty:
5 years on frame

Geometry chart


Geometry Chart



Seat Tube


Seat Tube


Effective Top Tube






Stand Over

Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




XS 44.0cm 68.0cm 52.5cm 53.0cm 37.5cm 74.0cm 13.0cm 72.0o 74.0o 6.6cm 40.5cm 97.4cm
S 47.0cm 71.0cm 54.5cm 54.5cm 38.5cm 75.0cm 14.5cm 73.0o 73.5o 6.6cm 40.5cm 97.7cm
M 50.0cm 74.0cm 56.5cm 57.5cm 39.0cm 78.0cm 17.5cm 73.5o 73.0o 6.6cm 40.5cm 99.0cm
L 53.0cm 77.0cm 58.5cm 60.2cm 40.0cm 81.0cm 20.5cm 73.5o 72.5o 6.3cm 40.8cm 100.3cm
XL 56.0cm 80.0cm 60.0cm 62.5cm 40.5cm 84.0cm 23.0cm 74.0o 72.5o 6.3cm 40.8cm 101.2cm

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Here's what others have to say...

Can you use 700+23 tires with fast...

Can you use 700+23 tires with fast brakes.

Thank you

Responded on

Yes. The complete version of this bike actually comes standard with Continental Grandprix 700x23.