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Zipp Super 9 Disc Carbon Rear Wheel - Clincher

$2,374.95

Item # ZIP001H

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  • Black, Shimano/SRAM ($2,374.95)
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Item # ZIP001H

Description

The fastest clincher yet.

Zipp's first foray into the world of wheels was the wind-cheating disc — produced in the late '80s. Although the technology and design of the disc has changed quite a bit in the past three decades, Zipp continues to dominate the peloton, and the Super 9 Disc Carbon Rear Wheel's Clincher version continues Zipp's mission to have the fastest disc wheel on the planet.

Through extensive wind tunnel testing, dubbed the "carbon clincher project," Zipp's engineers discovered that, aerodynamically speaking, clinchers are significantly faster than tubulars. The transition from the tire surface to the rim surface allows for the airflow to stay attached over the wheel, providing a reduction in pressure drag. In comparison to tubulars, the clinchers' carefully molded brake track more closely follows the contour of the tire. In other words, the reshaped brake tracks actually tip inward slightly, rather than aligning parallel. This shape places the disc's widest point just below the braking surface. This keeps the tire tucked down into the relatively wide, 26.4mm tire bed so that it doesn't balloon out over the top of the rim.

The Super 9 Carbon Clincher still features the recognizable dimpling pattern that's found on the 900 and the Firecrest models, which effectively smooths air flow in order to minimize drag. Zipp calls this its Aerodynamic Boundary Layer Control (ABLC). This pattern is where the surface is embossed with over 4900 golf ball-like dimples in five different sizes. As a result, along the curved rim section, the dimples work to create a slight turbulence directly above the rim surface. This creates an artificial boundary layer that forces the laminar boundary layer toward the forward part of the rim in order 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. And although it's greatly increased, pressure drag (which is ten times higher than skin friction) is accordingly decreased. So, you experience less drag at effective wind angles between 10 and 20 degrees.

The hub used is Zipp's durable 188 model, with internals manufactured using Zipp's high-voltage, Wire EDM technology. This specialized manufacturing process, usually reserved for avionics and Formula One gearboxes, lets Zipp machine 50% harder materials at tolerances 20 times greater than standard machining and heat treating. The result is a sub-200g hub that's able to withstand the torque of a four-cylinder car engine.

The Super 9 Carbon Clincher, which weighs in around 1,175 grams, is an ideal triathlon or time trial setup when paired with the 808 Firecrest Carbon Clincher or 404 Firecrest Carbon Clincher. And the clincher designation means you are able to easily fine tune your tire selection to the race course.

The Zipp Super 9 Disc Carbon Rear Wheel - Clincher is available in the color Black with a Shimano/SRAM compatible freehub body. Please note that the Shimano body is compatible with 11-speed cassettes. The wheel comes with Zipp's new Tangente Platinum Pro Evo Brake Pads. Please note that Zipp does not recommend deviating from these pads, and that doing so may result in a void of your warranty.

Tech Specs

Material:
[disc ] carbon fiber
Rim Width:
[internal] 26.4 mm, [external] 27.5 mm
Rear Hub:
Zipp 188 disc
Rear Hub Type:
quick-release
Skewers:
included
Brake Compatibility:
Tangente Platinum Pro Evo brake pads
Wheelbag:
yes
Rear Weight:
1175 g
Recommended Use:
time trials, triathlon
Manufacturer Warranty:
1 year
Actual Weight:
Black, Shimano/SRAM: 1,130g

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