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Roval CLX 50 Disc – Rear

Roval CLX 50 Disc – Rear

Part No. 30017-8402

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First came our CLX 64. Then the 32s. And after racking up multiple wins in Grand Tours, Worlds, and everything in between, we knew that our best bet was to take the line to new heights, or well, new depths. We needed to design one wheel that was a true quiver killer. One wheel that had all the aerodynamic benefits of the 64 in a package that climbed like the 32, and that’s where the all-new CLX 50 comes in.

When we set out to create the CLX 50 Disc, we had clear goals in mind—create wheels that are 48 to 54mm deep, aerodynamically optimized, ultra-wide, and under 1400 grams. This meant that they'd have to borrow some weight savings techniques that we developed for the CLX 32, take some aero guidance from the CLX 64, and keep all of the disc brake benefits that we've come to love if we were going to create what we like to call “the unicorn wheel."

Why discs you ask? With our disc-specific rims, we ditch the brake track making for a stronger, more impact-resistant rim. This way, you get a disc-specific carbon layup that optimizes stiffness, a weight as close to its rim-brake brethren as possible, and incredible brake modulation and power in all conditions.

Even though the CLX 50 is similar in weight to many wheels in the “lightweight” category, aerodynamics came at the forefront of the development. With this, we jumped headlong into Computational Fluid Dynamics computer modeling to arrive at various rim shapes that could make the CLX 50 as fast and light as possible. It took a while, but we narrowed the rim shape down to three contenders that were then CNC-machined into rims, built into wheels, and put into the Win Tunnel. In the tunnel, we tested every wheel, ours and the competition's, with a 24C tire (measuring 26C), as tires can drastically affect testing. We chose a modern-width tire to design our rims around, because they not only allow for less tire pressure (which results in more comfort and less rolling resistance) but are also just as aerodynamically efficient when paired with the correct rim width.

After finding the optimized rim shape that best supported our svelte weight requirements, we opted to lace the rims to our Aero Flange (AF) hub, via 24 DT Swiss Aerolite spokes, which features the legendary CeramicSpeed bearings. This way you get a complete, superior wheel system—not just a quick rim. And at the end of the day, it all amounts to a 50mm-deep, 770-gram rear wheel that's not only significantly lighter than the competition’s similar depth wheel, but is also measurably faster in every conceivable test than each wheel in its category.

  • Rim Type: Carbon clincher, 2Bliss Ready
  • Rim Material: Carbon
  • Braking Surface: Disc brake only
  • Rim Depth: 50mm
  • Rim Width: 20.7mm internal, 29.4mm external
  • Spoke Pattern: One-cross/Two-cross (2:1)
  • Spoke Count: 24
  • Spoke Type: DT Swiss Aerolite T-head
  • Nipple Type: DT Swiss Pro Lock hexagonal
  • Rear Hub: Roval AFD2, Centerlock, CeramicSpeed bearings, DT Swiss 240 internals, 11-speed, quick-release or 142x12mm thru-axle end cap
  • Assembly Method: Hand-built
  • Extras: Roval padded wheelbag, Roval steel quick-release, Roval tubeless plugs and tubeless valve,142x12mm thru-axle & quick-release end caps
  • Weight: 770g
我们首先推出了CLX 64,然后是32。在获得了多次大环赛和世锦赛,以及其他重要赛事的胜利之后,我们觉得应该把产品先推上新的高度。我们需要设计一款轮组,一个真正的大杀器。一款拥有64的空气动力学优势,爬坡表现又能够像32那样的轮组。这就是我们全新的CLX 50。 当我们设计CLX 50 Disc的时候,我们有明确的目标——轮组大约48-54毫米的框高,空气动力学优化,宽圈,低于1400克。这意味着它需要从我们研发CLX 32的经验中吸取一些减重技巧,并且从CLX 64那里获得空气动力学方向,与此同时保持我们所喜爱的碟刹的优势,这样才能够将我们所创造的称为“独角兽轮组”。 为什么是碟刹版?我们的碟刹专用车圈不但消除了刹车边,同时强度更高,更抗冲击。这就是碟刹专用碳纤维叠层优化刚性的结果,同时重量也圈刹版的差不多。与此同时,你还得到了多种环境下都令人惊叹的刹车操控和制动力。 即使CLX 50与很多被归为“轻量化”轮组相近的重量,空气动力学依然是研发时的重点。因此我们采用了流体力学计算,在电脑中模拟多种车圈形状,让CLX 50更轻更快。这花费了不少时间,但是我们将车圈造型筛选到只剩三款,并且CNC切削出车圈来,编好轮组,放进了我们的风洞。在风洞中,。我们测试了每一个轮子,同时我们还测试了其他品牌的轮子,并在测试中装配了24C外胎(实测26C)。因为轮胎会大幅度影响测试结果,所以我们选择了围绕一个中等宽度来设计我们的车圈。因为它不仅能让车手使用更低的胎压(带来更好的舒适性和更低的滚阻)同时在与合适宽度的车圈搭配时也更加破风。 在找到最符合我们严苛重量要求的车圈造型之后,我们选择将它通过24根DT Swiss Aerolite辐条与我们的Aero Flange(AF)花鼓相连,它采用了传奇的CeramicSpeed培林。这样你得到了一款完整而强大的轮组系统。不仅仅是一个快速的车圈。最后,它成为了一款50毫米框高,770克的后轮,不仅比竞争对手类似框高的轮组更轻,而且在与同级别轮组的测试对比中都更快速。