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Ridley Noah Pro/Shimano Ultegra Di2 Complete Road Bike - 2013

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Item # RID000S

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Item # RID000S

Description

Redefining fast.

The Noah Pro is the perfect example of what results when Ridley's extensive testing efforts come full circle, as it was developed with a combination of Ridley's refined FAST Concept technology and real-world race feedback. And the resulting bike is one of the most aerodynamic race bikes on the planet.

While most bicycle manufacturers would be content to rely on tubing alone for an aerodynamic advantage, Ridley's research and development on its flagship Noah go far beyond tube shapes and bike geometries. The latest generation of Ridley's groundbreaking Noah shares the same proven aerodynamic features as its earlier iterations — including an aerodynamic down tube, internal cable routing, an aero seat tube that extends into an integrated seatmast, and a deep rear wheel cut-out. What sets the Noah apart from other aero bikes, though, is its use of Ridley's FAST Concept technology. As we all know by now, drag increases exponentially with airspeed, which means small changes to reduce your drag will have a disproportionately positive impact as your speed increases. FAST Concept technology focuses on several specific issues of bicycle aerodynamics. According to Ridley, your wheels produce eight times more drag where they pass through your fork, due to the turbulence of the colliding air masses there. The Noah Pro was built to minimize this drag with its use of long, slotted airfoils that are built into the fork legs, referred to as "F-Splitfork" by Ridley. These airfoils redirect oncoming air away from the turbulent areas near the front wheel.

The story of the Noah Pro doesn't stop at F-Splitfork. Ridley used oil mapping in the wind tunnel to isolate spots of turbulent airflow. And where structural limitations kept it from re-sculpting the frame, Ridley 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 purposefully 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 level of 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.

For the build, Ridley spec'd the Noah Pro with a Shimano Ultegra 6770 Di2 10-speed groupset. The crankset is the Ultegra 50/34t compact, which has been paired with an Ultegra 12-25t cassette out back. For the cockpit, the build features a 4ZA Cirrus handlebar and 4ZA Cirrus Pro stem. Topping the integrated post is a Prologo Zero II T2.0 saddle, and in terms of wheels, the bike rolls on a pair of Fulcrum Racing Quattros that have been cased in Continental Ultra Race tires.

The Ridley Noah Pro/Shimano Ultegra Di2 Complete Road Bike - 2013 is available in the size Medium and in the color Black/white/green. 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.

Tech Specs

Frame Material:
50HM1.5 carbon fiber
Fork:
F-Splitfork
Fork Material:
unidirectional carbon fiber
Headset:
FSA Integrated Tapered Headset
Shifters:
Shimano Ultegra Di2
Front Derailleur:
Shimano Ultegra Di2 FD-6770
Rear Derailleur:
Shimano Ultegra Di2 RD-6770
Crankset:
50/34 t Shimano Ultegra
Bottom Bracket:
PressFit 30
Pedals:
not included
Cassette:
12-25 t Shimano Ultegra CS-6700
Chain:
Shimano Ultegra 6700
Brake Calipers:
Shimano Ultegra
Handlebar:
4ZA Cirrus
Stem:
4ZA Cirrus Pro
Saddle:
Prologo Zero II T2.0
Seatpost:
integrated
Wheelset:
Fulcrum Racing Quattros
Skewers:
included
Tires:
Continental Ultra Race
Tire Size:
700 c x 23 mm
Recommended Use:
road cycling and racing
Manufacturer Warranty:
5 years on frame

Geometry chart

Ridley

Geometry Chart

 

Noah
 

Seat Tube

(c-c)

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay

(CS)

Wheelbase
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

Ridley Noah Geometry Chart

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