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RidleyDean
105 Road Bike

Sale 35% OffCurrent price:$1,749.00 Original price:$2,699.00

Item # RID009N

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Item # RID009N
Description

Dean 105 Complete Road Bike

Now that you've decided to get serious about triathlon, you can't keep showing up to events with your decidedly un-aero road bike in tow. But you also know that your bank account won't tolerate an insurmountable price tag. Regardless of the rumors, you don't actually have to drop five figures to get fast, and Ridley delivers that unicorn balance of speed and affordability with its Dean 105 Complete Road Bike. Borrowing inspiration from its top-tier sibling, the Dean Fast, this Dean is designed to minimize drag and comes kitted out with Shimano's reliable 105 drivetrain for confident gear shifts as you speed towards T2.

By now, you're no doubt aware of the benefits and properties of high-modulus carbon fiber, so it should come as no surprise that a manufacturer of Ridley's standing strategically arranges a blend of 30 and 24 ton uni-directional carbon fiber moduli throughout the Dean in order to maximize comfort without sacrificing efficiency or weight. This is a fairly common practice, but what really sets the Dean apart from its competitors is Ridley's FAST-Concept design ethos. FAST-concept is a bike-wide application, extending from the aerodynamic teardrop tubes to the paint used on the frame.

The aerodynamics of the Dean owe a great debt to the teardrop-shaped tubes. Like the varied moduli of carbon in the frame's layup, teardrop tubes are now a standard feature on aerodynamically-minded frames, so Ridley ups the aerodynamic ante with paint. According to Ridley, the F-Surface paint addresses the tendency of airflow to release prematurely from certain areas of the frame, which in turn creates additional drag in the form of low pressure areas or stalled air in the frame's wake. These low pressure areas result from the tendency for bodies in motion through a surrounding medium (in this case, bicycles through air) to create turbulence in the lamina, or layers, of air through which they're passing.

It's helpful to think of the F-Surface paint as embracing and facilitating that turbulence. We'll forgo the details of laminar and turbulent drag by noting that, basically, the paint's texture keeps the air on the bike rather than letting it release into the low-pressure areas of stalled air that create drag. This results in a claimed drag differential of -4.03% at 50 kilometers/hour, which, in real world terms, means a faster time between T1 and T2.

  • Cheat the wind with Ridley's time trial machine
  • Aerodynamic shaping reduces drag when drafting is proscribed
  • Carbon fiber blends responsive stiffness and low weight
  • F-Surface paint improves aerodynamics
  • Shimano drivetrain delivers precise gear changes
  • Smooth rolling Fulcrum Racing 7 wheels
Warning

California Proposition 65

Warning:

Cancer and Reproductive Harm - P65Warnings.ca.gov

Tech Specs
Frame Material24-30t Unidirectional Carbon, Fast Technology
ForkDean Aero
ShiftersShimano 105
Front DerailleurShimano 105
Rear DerailleurShimano 105
CranksetFSA Omega
Chainring Sizes52 - 36t
Bottom BracketPF30
CassetteShimano 105
Cassette Range11 - 30t
ChainKMC 11-speed
BrakesetForza Stratos
Brake Typerim
HandlebarDeda Cronoero
StemDeda Cronoero
SeatpostDean Aero Seatpost
WheelsetForza RC31
TiresVittoria Zaffiro
Pedalsnot included
Recommended Usetriathlon
Manufacturer Warranty5 years on frame
Geometry

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 XSSML
    
51cm52.7cm55.4cm57.5cm
51.2cm52.7cm54.8cm56.8cm
50.6cm52.2cm54cm56cm
39.5cm40.8cm42.5cm43.9cm
    
10.1cm11.6cm13.5cm15.6cm
72o73o73o73o
77o77o77o76o
    
7.5cm7.5cm7.5cm7.5cm
39.5cm39.5cm39.5cm39.5cm
96.6cm97.7cm100.2cm102.2cm
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