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Item # ZIP0186 30% Off

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Item # ZIP0186

Description

From the Classics to your doorstep.

What better to test a wheel's strength and versatility than Flanders or Roubaix? Well, the Zipp 303 has won them both already. And not being one to rest on its laurels, Zipp integrated the 303 with its latest Firecrest technology. Now, with the 303 Firecrest Tubular, you get Zipp's most stable, evenly performing wheel in its history. Lighter, faster, and stronger, the age of Firecrest is here to make Zipp's fastest wheels even faster.

The 303 is one Zipp's most ambitious rim shapes. It maintains a rim depth of 45mm and a maximum width of 28.5mm in the front and rear -- nearly a whole millimeter wider than the 404 Firecrest. The Zipp 88/188 hubs' bearing stance has been widened by 7.5mm, and the rim's body shape has been canted out by two percent. Zipp found that the design creates a more stable structure, and offers greater vertical and lateral compliance with increased control, comfort, and rigidity. While the 303 benefits from these welcomed additions, to achieve the Zipp-standard of strength and rigidity, the 303 utilizes uni-directional fibers to handle the tensile and comprehensive loading within the rim, and woven fibers in the spoke-hole areas. A woven silica-ceramic fabric and a woven carbon fabric encapsulate the braking and tire-mounting surfaces. The combination of fiber patterns creates a high stiffness-to-weight ratio without stacking up the grams.

A number of Zipp technologies went into making the 303 Firecrest one of the most versatile wheels in the Zipp arsenal. First, the Multi-Material Co-Molding process permanently fuses a sub-200-gram aluminum hoop to a dimpled carbon structure that acts as a leaf spring for road vibration and impact. Spokes laced directly to the carbon body give you the benefit of a carbon feel and aluminum braking. Next, visco-elastic material is inserted between carbon laminate in the rim to reduce road vibration by ten percent. Lastly, the dimples of the Aerodynamic Boundary Layer Control (ABLC) on the curved rim section work to create a slight turbulence directly above the rim surface. This creates an artificial boundary layer that forces the laminar boundary layer towards the forward part of the rim to become turbulent. This process enables airflow to remain attached over more of the rim for a longer period of time, providing a lower level of integrated drag. The drag that ABLC creates is called skin friction drag; although it's greatly increased, pressure drag (which is ten times higher than skin friction) is decreased to make the 303 wheels faster than the competition in a wide range of conditions, not just the wind tunnel. While most wheels only enjoy minimum drag at rarely occurring yaw angles of five and ten degrees, the 303 experiences it at the real-world conditions of 10 to 20 degrees.

The Zipp 303 Firecrest Tubular front wheel features a radial-laced 18 spoke Zipp 88 Front Hub, and the rear wheel uses a drive-side radial, non-drive cross-laced 24 spoke Zipp188 rear hub. Every wheel is hand-built in the USA, and the rear wheel is available in two freehub configurations to fit either Campagnolo or Shimano/SRAM cassettes. Each wheel configuration is available with the label colors Black or White. Please note that Zipp's maximum recommended rider weight is 250lbs, and that the Shimano freehub configuration is compatible with Shimano Dura Ace 9000 cassettes.

Tech Specs

Material:
[rim] carbon fiber
Rim Width:
[brake track] 26.45 mm, [maximum] 28.50 mm
Rim Depth:
45 mm
Front Hub:
Zipp 88
Front Hub Type:
quick-release
Rear Hub:
Zipp 188
Rear Hub Type:
quick-release
Spoke Nipple Material:
alloy
Skewers:
included
Brake Compatibility:
caliper brakes with Zipp approved pads
Rotor Compatibility:
no
Front Weight:
565 g
Rear Weight:
690 g
Complete Set Weight:
1255 g
Recommended Use:
road cycling
Manufacturer Warranty:
2 years

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Zipp 303 Firecrest Tubular - 2013

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Here's what others have to say...

rear wheel only?

Posted on

rear wheel only?

Responded on

We currently have 3 options for these wheels; front, Shimano (rear only), or Campy (rear only).

Please let us know if you have any other questions or feel free to call us directly at (888) 276-7130.