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Zipp's fastest wheel.
The disc wheel and Zipp go hand-in-hand. In fact, the disc was Zipp's first product in the late '80s, jumping straight into the spotlight as a serious wheel that could cheat wind unlike anything that the cycling world had seen before. Today, through pro-rider feedback (think Tony Martin's silver in London), the use of advanced composite technologies, and extensive wind tunnel testing, Zipp continues its mission of building the fastest disc wheels on the planet. And with the introduction of the Super-9 Disc Rear Carbon Clincher, Zipp's Super line continues, marking its fastest wheel to date.
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, accordingly providing a reduction in pressure drag. As Zipp puts it, this could only be achieved using a carbon clincher design. Why? Well, 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 tips inward slightly, rather than aligning parallel. So, this shape places the disc's widest point just below the braking surface. This keeps the clincher tucked down into the relatively wide, 26.42mm tire bed. Or, in even more simpler terms, the Super-9 eliminates balloon-effect. And besides providing an aerodynamic advantage, the added width between the clincher hook beads increases air volume in the tire, which means a lower chance of pinch-flatting.
The Super-9 carbon clincher still features the 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). Essentially, this is a treatment to the carbon fiber, 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 towards 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.
According to Zipp, the Super-9 represents the new breed of "purposeful race wheels." You now have the ability to tune your tire selection to your event. For example, maybe you know the roads at your local time trial will be smooth and bump-free. Or, perhaps, you'll be required to cross some questionable sections during your triathlon. The clincher versatility of the Super-9 lets you make these last-minute race-day decisions, providing you with unmatched equipment options. The Super-9 carbon Cclincher, 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. In fact, time trial phenom Tony Martin validated this assertion with a German National Championship and a silver medal in London.
The Zipp Super-9 Disc Rear Carbon Clincher is available in the color Black and with either an 11-speed Shimano or Campagnolo compatible freehub body. Please note that the Shimano body is compatible with 11-speed Dura-Ace cassettes. The wheel comes with Zipp's new Tangente Platinum Pro Evo Brake Pads, as well. Please note that Zipp does not recommend deviating from these pads, and that doing so may result in a void of your warranty.
- Item #ZIP000R
- Q & A
I see options for either either a SRAM or Campagnolo freehub. Is there an option for Shimano?
Hi Scott, the SRAM freehub is also compatible with a Shimano cassette.
If you have any questions or would like help placing an order please reach out to me at (801) 204-4689 or shoot me an email at firstname.lastname@example.org