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Ridley Noah SL Road Bike Frameset - 2017

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Item # RID005H

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  • Black/Grey/Red, S ($1,199.95)
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Item # RID005H

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No compromises.

Pairing low weight and a highly aerodynamic design, the 2017 Ridley Noah SL Road Bike Frameset stands out as a nearly compromise-free frameset among a sea of discipline-specific options. Designed to privilege pure speed across long, grueling one-day races and hectic sprint finishes, the Noah SL features oversized tubing, aerodynamic FAST technology, and a relatively low weight that combine to provide efficient power transfer when power is all that matters.

This Noah's oversized tubes still earn the SL suffix—which we assume denotes the industry superlative Super Light—through Ridley's inclusion of a mix of 60, 40, and 30-ton high-modulus carbon fiber. Both the Noah Fast and Noah top out at 50-ton, and the SL's inclusion of 60-ton means it can use less material at key points while maintaining the same efficiency, which in turn lowers weight. As with the original Noah model, the SL's different carbon moduli are used in different areas of the frame based on desired properties of stiffness, weight, durability, and road-noise damping.

This targeted blend of materials is a common practice across the industry, though few manufacturers go to the extreme of using 60t carbon. The SL also features a tapered head tube for sharp tracking and efficient power transfer, and the PF30 bottom bracket, internal cable routing, and electronic group compatibility that are all but expected in frames of this level. Unlike other frames, though, Ridley incorporates its Future Aero Speed Technology (FAST) F-Surface design, which involves fluted channels running the lengths of forward-facing tubes to trip air into a manageable layer of turbulence. That tripped layer detaches later and more cleanly, reducing the frame's wake and overall wind drag.

The Noah SL's high-modulus carbon fiber fork looks distinctly different than other forks on the market, with an open channel running down the middle of each leg. This FAST F-Split Fork channel design is revolutionary in its ability to guide incoming air away from the spokes to reduce turbulence and drag, which keeps the airstream around the wheel smooth and fast. By pairing this fork with the FAST F-Surface design, Ridley claims that the Noah SL enjoys a 3-5% reduction in drag over frames without FAST design. This means more speed with less effort, all thanks to a little bit of surface air routing.

Please note that Ridley recommends a maximum rider weight of 209.5lb (95kg) for the Noah SL.

  • A light, aerodynamic road machine for fast finishers
  • High-end carbon fiber construction reduces weight
  • FAST F-Surface and F-Split Fork technologies improve aerodynamics
  • Oversized bottom bracket shell efficiently transfers power
  • Internal cable routing provides clean lines
  • Compatible with both mechanical and electronic drivetrains

Tech Specs

Frame Material:
60, 40, and 30 ton high-modulus carbon fiber
Wheel Size:
700 c
Noah SL F-Split Fork
Fork Material:
carbon fiber
Head Tube Diameter:
1-1/8 - 1-1/2in tapered
Headset Included:
yes, FSA
Bottom Bracket Type:
Cable Routing:
Front Derailleur Mount:
Brake Type:
Compatible Components:
mechanical drivetrains, electronic drivetrains
Ridley Aero
Recommended Use:
Manufacturer Warranty:
5 years



Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Claimed Weight

Claimed weights are provided by the vendor.

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[frame - size small] 950 g

Geometry Chart


Noah SL

Seat Tube

Seat Tube

Effective Top Tube



Stand Over

Head Tube

Head Tube Angle

Seat Tube Angle

Bottom Bracket Height

Bottom Bracket Drop


XXS   46cm 50.6cm 50.7cm 37.9cm   11cm 72o 75o   6.8cm 40.5cm 97cm
XS   47.5cm 51.3cm 52.7cm 37.4cm   13cm 72o 74o   6.8cm 40.5cm 97cm
S   49cm 53.1cm 54.2cm 38.4cm   14.5cm 73o 73.5o   6.8cm 40.5cm 97.7cm
M   52cm 54.9cm 57.3cm 39cm   17.5cm 73.5o 73o   6.8cm 40.5cm 98.7cm
L   55cm 56.7cm 59.9cm 39.6cm   20.5cm 73.5o 72.5o   6.8cm 40.8cm 100.5cm


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