Profile Design 38/TwentyFour Carbon Clincher Wheelset

Item # PD-38T
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Profile Design 38/TwentyFour Carbon Clincher Wheelset
Get Free Wheels! While supplies last: buy a set of Profile Design 38/TwentyFour Wheels (PD-38T) and get a set of Profile Design 30/TwentyFour Alloy Wheels (PD-30TA a $379.99 value) Free.

An impressive amount of research and technological know-how from Profile Design has resulted in their absolutely superb 38/TwentyFour Carbon Clincher Road Wheelset. The 38 in the name represents the 38mm deep carbon fiber rim depth which ensures confidence while riding in crosswinds as well as great acceleration and hill-climbing capacity. A team of technicians utilized Computational Fluid Dynamics to manipulate width, depth, and conicity while the utilization of historical wind speeds, angles, and race day conditions on popular road and triathlon courses around the world resulted in a rim depth/profile optimized for real world aerodynamic performance. It's not enough to simply fly along roads in training and competition, so Profile Design ensures that braking performance, too, was optimized courtesy of proprietary resins in the rim's braking surface as well as the creation of their own carbon fiber-specific brake pads to reduce braking distance. And the TwentyFour in the wheelset's name refers to the rim's 24.5mm width, which equates to a more comfortable ride and cornering with unparalleled confidence. Wider rims have some counter-intuitive effects when compared to those standard 19mm rims: they actually decrease rolling resistance and increase aerodynamics.

The 38/TwentyFour wheelset's hubs are a technological marvel as well as they're forged from 6061-T6 aluminum then precision machined with a tolerance of 100th of a millimeter increasing durability, strength, and stiffness. The freehub body is machined from 7001-T6 aluminum then shot peened hard anodized to create an 18% increase in material strength compared to standard aluminum freehubs. This prevents the cassette from digging into the freehub body resulting in better shift performance and increased power transfer. These hand-built wheels also feature Sapim CX Ray bladed, stainless steel spokes -- 20 front and 24 rear -- to enhance the stiffness and aerodynamics.
  • Computational Fluid Dynamics (CFD) and wind tunnel testing provided data to create proprietary carbon fiber rim shape
  • 38mm deep carbon fiber rim profile handles well in crosswinds plus is lightweight for sprinting and climbing
  • Proprietary resin in rim withstands more heat for improved braking performance
  • Proprietary carbon fiber-specific brake pads reduce braking distances
  • TwentyFour series hubs forged from 6061-T6 aluminum for durability, strength, and stiffness
  • 7001-T6 aluminum cassette body is shot peened and anodized to increase strength
  • Sealed cartridge bearings roll super-smooth
  • 20 spoke front wheel with radial lacing pattern
  • 24 spoke rear wheel with radial/2x lacing pattern
  • Sapim CX Ray bladed, stainless steel spokes with Sapim Polyax double square nipples
  • Shimano/SRAM 8/9/10/11-speed compatible cassette body
  • Hand-built assembly
  • Rider weight limit: 220 lbs.
  • Maximum tire pressure: 125 psi
Profile Design 38/TwentyFour Carbon Clincher Wheelset
  • WEIGHT Front=657g; Rear=808g; Pair=1465g
  • UPC 723661003776
  • TIRE SIZE 700c
  • TIRE TYPE Road clincher
  • HUB Profile TwentyFour 6061-T6 aluminum
  • SPACING Front=100mm; Rear=130mm
  • SPOKES Stainless steel, Straight pull, Bladed
  • SPOKE COUNT Front=20; Rear=24
  • LACING PATTERN Front=Radial; Rear=Radial/2x
  • RIM HEIGHT 38mm
  • RIM WIDTH Outer=24.5mm; Inner=17mm
  • COMPATIBILITY Shimano/SRAM 8/9/10/11-speed
  • ACCESSORIES INCLUDED Rim tape, Carbon-specific brake pads, Carbon-specific tire levers, Valve extenders, Extra spokes and nipples (2 front, 4 rear), Cassette spacer
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Profile Design 38/TwentyFour Carbon Clincher Wheelset

Profile Design 38/TwentyFour Carbon Clincher Wheelset

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