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Vittoria
Open Corsa CX - Clincher

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Open Corsa CX

We admit it, we're subject to the occasional bias—especially when it comes to tires. However, this bias isn't solely built on presumption, instead, it's formed from two equal components: Our own experiences on the road, and our customers' feedback. Along these lines, the Vittoria Open Corsa CX had long been distinguished as our best selling tire upgrade, and the most ridden tire in the office. And in typical Vittoria fashion, the best just keeps getting better. Now, Vittoria has performed a redesign of the aforementioned CX, resulting in the new Open Corsa CX.


Now, if you're unfamiliar with how the Italians operate, we'll breakdown the title for you. 'Open' is the Italian terminology for clincher, as in the clincher-version of Vittoria's Corsa CX tubular tire. Meanwhile, 'Corsa' translates directly to 'race,' as in, this is a race-designated tire. Put the two together, and you have a next-generation tire that's designed for speed. And while we understand that a name is simply a name, the Open Corsa line's results speak for themselves. Simply put, this line boasts more race wins than any other tire in history.


And now that we have your attention, let's dig into the CX's construction. Vittoria gave this tire a 320TPI casing composition, meaning that the sidewalls are comprised of 320 threads per inch. And if you're wondering why there are 'threads,' this is because the CX is a cotton tire. But, don't think that this decreases durability. In fact, Vittoria used a corespun, or 'polycore,' technique for the casing's construction. Essentially, this means that the casing fibers are made by twisting staple cotton fibers around a central filament core, creating one yarn from multiple fibers. As a result, the material is between 40 and 50% stronger than typically spun materials, while retaining a similar, if not lower, overall weight. Additionally, the 320TPI cotton casing provides the ideal stiffness-to-weight ratio for the CX. By this, we mean that the tire's weight hovers around 217 grams, depending on width, while still retaining a perfect level of flexibility for cornering.


Along these lines, you'll notice that the casing's high TPI equates to finer-grade fibers used in its composition. Accordingly, the fine fibers are more malleable than say, 220TPI casings, and this flexibility creates a more adaptable interface for the tire's rubber contact surface during cornering. So, this design provides a higher level of grip than rubber, which is why cotton casings are used on nearly every high-end tubular in the world. Additionally, the weave's density also absorbs a great deal of impact, while also contributing to a low-level of rolling resistance. This equates directly to both comfort and speed.


For this generation, the tire receives Vittoria's newest rubber compound, ISOgrip. After two years in development, Vittoria is confident that it's set the benchmark for racing rubber. According to Vittoria, ISOgrip expresses equal grip in both dry and wet conditions and features its lowest rolling resistance to date. However, like any racing tire, these benefits arrive at the cost of a relatively low wear-resistance, but on race day, you're not going to be worried about wear.


Details

  • The winningest race tire line in history
  • Supple-as-butter casing for inimitable road feel
  • Isogrip rubber for increased grip in all conditions
  • Confident cornering that gives you an edge on technical courses
  • Item #VIT0090
Compound
IsoGrip
Size
700 x 21 c, 700 x 23 c, 700 x 25 c
Type
clincher
TPI
320
Bead
folding
Claimed Weight
[700x21c] 6.9oz (195g), [700x23c] 7.4oz (210g), [700x25c] 7.8oz (220g)
Recommended Use
road
Manufacturer Warranty
1 year

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