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  • Profile Design 78/TwentyFour Carbon Clincher Wheelset
  • Profile Design 78/TwentyFour Carbon Clincher Wheelset Rear
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Profile Design78/TwentyFour Carbon Clincher Wheelset
Sale 10% Off$1,304.99 $1,449.99

Item # PRD002C

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  • Stealth Black/UD Carbon,Shimano/SRAM 11 ($1,304.99)
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Item # PRD002C

When seconds matter.

For the past few decades, Profile Design has led the industry in aerobar design and expanded its purview to include additional accessories and componentry. During this expansion the company dipped its toes into the world of wheels to create the 78/TwentyFour Carbon Clincher Wheelset. Happily for us, Profile also brought its expertise in aerodynamics and reputation for durability along for the ride.

To create the 78/TwentyFour, Profile collaborated with Computational Fluid Dynamics specialists and spent many hours in the wind tunnel to determine the best rim shape to reduce drag and stay steady in crosswinds. Part of this process included mapping out weather data gathered from recent high-level cycling and triathlon events to recreate wind conditions and test potential wheel behavior in real-world conditions while still taking advantage of the controlled data gathering of a wind tunnel.

The result of all this analysis is a wheel that isn't just fast in a sterile lab environment — it's fast out on the road and will cut through the wind like a hot knife through the butter that you've given up eating while cutting down to race weight.

As far as shape is concerned, the name says it all with these wheels. They feature a 78mm deep-dish, aerodynamic rim with an external width of 24.5mm. While the latter dimension accommodates the current trend of wider tires with lower PSI for a plusher ride that reduces rolling resistance, the real story here is the shape the rim takes across those 78mm of depth. The rim bulges slightly, with a rounded spoke-facing edge to 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 used across the industry. This means, in theory, that the 78/TwentyFours have better, more consistent braking across changing and inclement weather conditions and long descents than the competition. So stop spending hours poring over the weather reports and radar forecasts and get out for a ride with confidence that you'll be able to stop when you need to whether it's wet or dry.

The other half of the name references Profile's TwentyFour Series hubs. They're made of forged, machined 6061-T6 aluminum with a tight tolerance, resulting in a durable, strong, and stiff hub body. The freehub body is machined from 7001-T6 aluminum, which is then shot-peened hard anodized, resulting in a claimed 18% increase in strength over standard aluminum models. This reduces the chances of the cassette digging into the hub body and moving unnecessarily, which leads to crisper shifting and more efficient power transfer for a quiet, fast ride. You'll stay in the zone till the finish line without any distracting drivetrain noises or shifting worries.

The Profile Design 78/TwentyFour Carbon Clincher Wheelset is compatible with Shimano and SRAM 9, 10, and 11-speed cassettes, and can be converted to Campagnolo 10/11-speed with a separately sold Campagnolo-specific freehub.

Tech SpecsWeight
Tech Specs
Rim Material
carbon fiber
Wheel Size
700 c
Tire Type
Rim Depth
78 mm
Rim Width
[external] 24.5 mm, [internal] 17 mm
Brake Compatibility
Profile Design TwentyFour Series
stainless steel
Spoke Nipple
7075 Polyax Double Square
Spoke Count
[front] 20, [rear] 24
Max Rider Weight
220 lb
Recommended Use
road cycling, triathlon
Manufacturer Warranty
2 years limited

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead



Stealth Black/UD Carbon,Shimano/SRAM 11

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[front] 826 g, [rear] 996 g

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Unanswered Question

are they OK for tubeless as well??

Unanswered Question

Do these wheels come with carbon brake pads?