Profile Design Altair 52 Semi-Carbon Clincher Wheelset 2011

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About the Profile Design Altair 52 Semi-Carbon Clincher Wheelset 2011:

This is Profile Design's Proprietary carbon fiber 52mm section semi-carbon clincher rim, the Altair 52.

Features:

• Proprietary precision machined alloy hubs with custom depth flanges for extra stiffness
• Sapim CX Sprint spokes with hidden nipples for additional aerodynamics
• Sealed cartridge bearings
• Hand-built assembly
• Includes QR, valve extenders, spoke tool, extra spokes & nipples (2 front, 4 rear)
• Size: 700c x 20H Front/24H Rear, Radial front, 2X rear
• Color: UD carbon finish with colored decals, black hubs and black spokes

Weight: 1756 grams (w/o QR)

• Rims profiles developed through rigorous 2 year R&D process
• Hand built construction with proprietary carbon lay-up
• Sapim bladed spokes with hidden nipples for additional aerodynamics
• Shimano/SRAM compatible  (Campagnolo compatible hub sold separately)

• Created using CFD (Computational Fluid Dynamics) software to optimize the rim shape
• Full carbon clincher, full carbon tubular and semi carbon clincher rims in two depths
• Designed for optimized performance in real world wind conditions (yaw of 8-20 degrees)

• Forged 6061-T6 AL hub shells with custom depth flanges for extra stiffness
• Internal bearing and freehub surfaces CNC machined to exacting specifications
• Sealed cartridge bearings

• Ensures tighter tolerances
• Creates a longer lasting and better quality build

Profile Design's Wheel Story:

After over two years of research and development, Profile Design introduced their much anticipated wheelsets.  All new proprietary rim designs were developed with CFD (computational fluid dynamic) software and have been field and lab tested. Each wheelset is hand built creating a longer lasting, superior quality build and ensures tighter tolerances. High-end features such as high temperature resin, proprietary carbon lay-up, sealed cartridge bearings and bladed spokes with hidden nipples are all optimized for real world conditions and real world athletes.

In twenty years of working with cyclists and athletes of all levels they've learned to listen the users of Profile Design products. After all, they are the ones who spend the time and effort to bring out the best in themselves. Recognizing this, Profile Design saw a need for high performance wheels for real world athletes. Many wheelsets are optimized for the highest level competitors riding at speeds which are unrealistic to amateur athletes. With that in mind, their goal was to build wheels that are designed for speed and type of conditions recreational athletes are likely to encounter during training and competition.

To accomplish this, Profile Design looked at average wind speeds and directions from various Ironman and Ironman 70.3 courses around the world, which they then compared with average speeds for various levels of age group triathletes in those events. The data generated gave them a starting point for creating a rim shape and profile. Next, they gathered input from Profile Design sponsored professional and age group triathletes. From there Profile Design tested various shapes, depths, spoke shapes and hub shapes to determine the best design and build to match their performance criteria. The result is a custom proprietary wheel design that delivers superb performance, excellent reliability and is built with quality components.

All Profile Design wheelsest are covered by a two year worldwide warranty and are backed by their industry leading customer service.

Profile Design is committed to athlete tested, world champion approved products. The goal of delivering a superior experience to athletes of all levels in everything they develop - from aerobars to wetsuits to wheels - underscores their commitment to Profile Design core values of innovation, quality and performance.

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