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Zipp 202 Firecrest Carbon Clincher Wheelset - 2013

Out of Stock

Item # ZIP0207

 This model is no longer in stock.

Item # ZIP0207

Description

Some things are worth the wait.

So far, in the Zipp world of carbon fiber, there's only been one wheel that hasn't received the venerable Firecrest Technology. Unfortunately for us, it's a wheel that we use for everything from climbing to cyclocross. However, the tides have changed, and the new wave of carbon clinchers has arrived. The Zipp 202 Firecrest Carbon Clincher Wheelset is not only the lightest Firecrest clincher in the Zipp war chest, but even as a clincher, it reigns supreme as the ultimate Zipp climbing wheel. Period. Some things are simply worth the wait.

Zipp's concept for applying the Firecrest Technology is relatively simple -- what goes up must come down. For years, the 202 has been the wheel of choice for Grand Tour ascents, but Zipp found room for improvement on the wheel's handling and stability on the way down. The natural decision was to produce a Firecrest version of the wheel, but like any engineering, unforeseen variables present themselves the further that you go under the surface. For example, Zipp found that the 202's profile was more sensitive to tire shape than deeper rim depths. However, instead of being a hindrance, Zipp adapted the Firecrest profile, and accordingly, the 202 Firecrest is at home with a vast array of tire widths. On top of this, the low and wide profile of the 202 makes it the least susceptible to side force of any Zipp wheel. Now, the 202 is ready for 'cross, hair-raising descents, and the roughest roads of Belgium -- all at a low low weight of around 1400 grams. To understand all of this, let's jump into what Firecrest technology actually is.

The Firecrest is Zipp's most ambitious rim shape to date. Designed to account for differences in airflow between tubulars and clinchers, the 202 Firecrest Carbon Clincher maintains the traditional 202 rim depth of 32.0mm, but now it's been given a max width of 25.4mm. Using computational fluid dynamics, Zipp moved the center of pressure towards the steering axis to create the most stable, predictable, and neutral rim in its speed weaponry arsenal. Reassuringly, Zipp does nothing without reason. It found that a wider rim offers greater vertical/lateral compliance for increased control, comfort, and rigidity. As for the clincher, Zipp found that moving the hook beads further apart allowed the tire to take on a more stable shape without adding rolling resistance. For strength and rigidity, the Firecrest 202 utilizes uni-directional fibers to handle the tensile and comprehensive loading within the rim. This has been further reinforced by using woven fibers in the spoke-hole areas. Lastly, a woven silica-ceramic fabric and a woven carbon fabric encapsulate the braking and tire-mounting surfaces. The combination of fiber patterns creates the highest stiffness-to-weight ratio in Zipp production.

A number of Zipp technologies went into making the 202 Firecrest Carbon Clincher the most versatile wheel in the Zipp arsenal. Visco-elastic material is inserted between carbon laminate in the rim to reduce road vibration by ten percent. 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, thus 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 202 Firecrest 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 202 Firecrest experiences it at the real-world conditions of 10 to 20 degrees.

For the build, Zipp used its proprietary 88 hub on the front and the 188 on the rear. The wheels receive an 18/24 Sapim X-Ray spoke configuration, and to minimized mechanical drag, each hub rolls on Zipp's proprietary steel bearings. Even better, if you're looking to upgrade to Shimano's new Dura Ace 9000 11-speed, the 202's freehub body is willing and able.

The Zipp 202 Firecrest Carbon Clincher Wheelset is available in the color Black with either Black or White Zipp decals. They also come in a 700c and with either Shimano/SRAM or Campagnolo compatible freehub bodies. Zipp has also provided its new Tangente Platinum Pro Evo Brake Pads. Please consult with the official Zipp website for a list of approved brake pads.

Please note that Zipp does not recommend the 202s for riders exceeding 250lb.

Tech Specs

Material:
[rims] carbon fiber
Rim Width:
[brake track] 24.62 mm, [maximum] 25.4 mm
Rim Depth:
32 mm
Front Hub:
Zipp 88
Rear Hub:
Zipp 188
Spoke Nipple Material:
alloy
Skewers:
included
Axle Type:
quick-release
Brake Compatibility:
caliper brakes with Zipp approved pads
Rotor Compatibility:
no
Front Weight:
625 g
Rear Weight:
750 g
Complete Set Weight:
g
Recommended Use:
road cycling
Manufacturer Warranty:
2 years

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