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£1,100.00
When Specialized set out to create the CLX 50, they had clear goals in mind—create wheels that are 45 to 55mm deep, 2Bliss Ready, aerodynamically optimized, ultra-wide, and under 1400 grams. This meant that they'd have to borrow some weight savings techniques that they developed for the CLX 32, while taking some aero guidance from the CLX 64, if Specialized were going to create what we like to call “the unicorn wheel." Specialized implemented every lightweight trick in the book without sacrificing anything to durability. And from there, we performed a variety of studies on different wheel depths, ultimately deciding that meeting strict weight and stiffness targets would be a big gamble with something too deep, which is where 50mm was born from. After the depth was determined, Specialized jumped headlong into Computational Fluid Dynamics computer modeling to arrive at various rim shapes that could make the CLX 50 as fast as possible. It took a while, but they narrowed the rim shape down to three contenders that were then CNC machined into rims, built into wheels, and put into their Wind Tunnel. In the tunnel, Specialized tested every wheel, there's and the competition's, with a 24C (measuring ~26mm wide) Specialized S-Works Turbo tyre inflated to 100 PSI, as tyres can drastically affect performance. Testing wheels by themselves, not on a bike, is often seen as malpractice, but in our years of testing experience, the numbers have shown that the deltas between bike and wheel, and wheel alone, to be consistent.
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