Specialized Roval CLX 32 Disc Tubular 28 Inch - Front Wheel - Tubular - QR / 12x100mm - carbon/gloss black

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Description of Specialized Roval CLX 32 Disc Tubular 28 Inch - Front Wheel - Tubular - QR / 12x100mm - carbon/gloss black

When Specialized set out to create a lightweight tubular wheel, they didn’t want it to be “just another climbing wheel." Specialized wanted to provide the lightest wheel out there with the aerodynamic attributes of something twice its depth. It was a tall order, but in the end, the CLX 32 Tubular Disc not only delivers on this in spades, but it also provides incredible brake modulation and power in all conditions, increased impact resistance, and a disc-specific carbon layup that increases strength while decreasing weight.

Specialized Roval CLX 32 Disc Tubular features:

  • Rim Type: Carbon tubular
  • Rim Material: Carbon
  • Braking Surface: Disc brake only
  • Rim Depth: 32mm
  • Rim Width: 27.1mm external
  • Spoke Pattern: two-cross/Radial (2:1)
  • Spoke Count: 21
  • Spoke Type: DT Swiss Aerolite (L)/Aerocomp (R) T-head
  • Nipple Type: DT Swiss Pro Lock hexagonal
  • Front Hub: Roval AFD1, Centerlock, CeramicSpeed bearings, quick-release or 12mm thru-axle end cap
  • Assembly Method: Hand-built
  • Extras: Roval padded wheelbag, Roval steel quick-release, 12mm thru-axle & quick-release end caps

The design process started with a low overall weight at the forefront, as Specialized knew what weight they could hit with the information and technology they had available. With that weight in mind, Specialized then turned their focus to aerodynamics and began an iterative process of designing and testing over 150 individual rims to find the optimal shape. These innumerable Computational Fluid Dynamics (CFD) models, Win Tunnel hours, and shots of espresso left them with a 32mm-deep shape that boasts more logged wind tunnel time than any other wheel in its category.

Once Specialized found the most aerodynamic shape, at the 32-millimter depth, they came back to the weight focus and proceeded to experiment with over 40 different layup methods to reach the desired weight. And this made the CLX 32 lighter and faster than every other competitor in the lightweight wheel category.

For the CLX 32 tubular front, Specialized mated the rim to their Aero Flange (AF) series hub with DT Swiss Aero spokes to create the best overall system. This results in a 610-gram, front wheel with an extremely low inertia value In cycling, inertia relates to the amount of force it takes to accelerate or decelerate, so wheels that are built with lightweight rims, like the CLX 32, result in a lower inertia value that creates a lively wheel that allows you to accelerate, decelerate, and change direction with less effort. But why so wide? Well, additional width does three primary things for a rim—it provides additional structural strength, it allows for a clean rim and tire interface when using wide tires (resulting in enhanced aerodynamics and faster rolling properties), and it better supports the tire in hard cornering. This boosts both predictable grip and confidence when things get twisty on the descents.
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Fact Sheet of Specialized Roval CLX 32 Disc Tubular 28 Inch - Front Wheel - Tubular - QR / 12x100mm - carbon/gloss black

Product Name: Specialized Roval CLX 32 Disc Tubular 28 Inch - Front Wheel - Tubular - QR / 12x100mm - carbon/gloss black
Manufacturer: Specialized Equipment
Item Code: SPZ411579
Year: 2019
Manufacturer item code: 30017-8001
Material: rim: carbon
Weight: approx. 610 gram (manufacturer information)
Rim: Carbon tubular
Rim height in mm: 32 mm
external/internal rim width: 27.1mm external
E.T.R.T.O.: 27.1 - 622
Spokes: DT Swiss Aerolite (L)/Aerocomp (R) T-head
Nipples: DT Swiss Pro Lock hexagonal
Spokes number: 21, two-cross/radial (2:1)
Hub axle system: QR / 12x100mm
Fitting type of tire: tubular
Fitting tire dimension in mm: 700c
hub: Roval AFD1, Centerlock, CeramicSpeed bearings, quick-release or 12mm thru-axle end cap
Disc brake standard: Centerlock
Included in delivery: Roval padded wheelbag, Roval steel quick-release, 12mm thru-axle & quick-release end caps
Manufacturer page: http://www.specialized.com
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