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  • Profile Design 78 TwentyFour Carbon Clincher Wheel V2
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Profile Design78 TwentyFour Carbon Clincher Wheel V2
$959.00

Item # PRD002V

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Item # PRD002V
Description

Bolt on speed.

Profile Design is no stranger in producing components that help you go faster and has been an industry leader in aerobar design for decades. It's recently taken its aero expertise and development and instilled it into wheel designs and the particular wheel we have here is the 78 TwentyFour Carbon Clincher Wheel V2. Perhaps not the first name that comes to mind when thinking about carbon wheels, however, the materials and design philosophy are solid and this wheel comes in at a much lower price point than some of its competitors.

When creating the rim shape for the 78/TwentyFour, Profile used Computational Fluid Dynamics and logged many hours in the wind tunnel to determine the best profile that reduced drag and remained steady in crosswinds. Part of the criteria involved mapping out weather patterns at high-profile triathlon event locations to recreate real-world wind yaw angle conditions to test the wheel's behavior and gather this information in the wind tunnel.

This development is unique in that it tests likely real-world scenarios in a lab environment so when out on the open road the wheel will perform as designed with that said goal of less drag and more stability. As you probably already guessed, the rim's dimensions are in the name, 78mm deep with an external width of 24.5mm. That external width plays nice with the current trend of wider 25-28mm road tires and affords a lower pressure contributing to a plusher ride with lower rolling resistance. The rim's shape bulges slightly, with a rounded spoke-facing edge to help better manage crosswinds for more stability than traditional airfoil rims.

Profile uses its own high Tg point resin at the carbon braking surface for a claimed 30% increase in heat capacity compared to other high Tg resins commonly used in the industry. This correlates to more powerful and better modulating braking, even during inclement weather conditions and long descents than other carbon braking surfaces. The wheels also come with specific brake pads with a special compound that can handle the high heat and further helps reduce stopping distances.

While the rims are usually the star of the show with wheelsets, equally important are the hubs, and the ones here are worthy of the rims. They're constructed of forged than machined 6061-T6 aluminum with super tight tolerances providing a durable, strong, and stiff hub shell. The freehub body is machined from 7001-T6 aluminum, which is then shot-peened after being hard anodized, resulting in a claimed 18% increase in strength over standard aluminum models. This reduces the tendency of the cassette's cogs from digging into the hub body and being a pain to remove the cassette off the freehub body.

The Profile Design 78/TwentyFour Carbon Clincher Wheelset is handbuilt and compatible with Shimano and SRAM 9, 10, and 11-speed road cassettes. It ships with a valve extender, rim tape, skewer, brake pads, and extra spokes and nipples.

  • Deep dish carbon rear wheel for TT and Tri's
  • 78mm depth for aerodynamics with improved crosswind stability
  • CFD designed for stability and speed in the real world
  • 24.5mm width creates less rolling resistance and a smoother ride
  • High Tg point resin increases the braking heat capacity
  • Includes carbon-specific P220 TwentyFour Series brake pads
  • TwentyFour Series hubs shells built from 6061-T6 aluminum
  • Freehub compatible with Shimano/SRAM 9/10/11-speed road cassettes
Tech SpecsWeight
Tech Specs
Rim Material
UD Carbon
Wheel Size
700c
Tire Type
Clincher
Rim Depth
78mm
Rim Width
[internal] 17mm, [external] 24.5mm
Brake Compatibility
Rim
Hubs
Profile
Rear Axle
130mm Quick Release
Skewers
included
Spokes
Sapim CX_Ray Aero
Spoke Nipple
7075 Alloy Polyax Double Square
Spoke Count
24
Max Rider Weight
220lb
Recommended Use
road cycling, triathlon
Manufacturer Warranty
2 year limited
Weight

Claimed Weight

Claimed weights are provided by the vendor.

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1050g

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