CFRP Racing Bike Wheels with ROHACELL® from Evonik
CFRP Racing Bike Wheels with ROHACELL® from Evonik
CFRP Racing Bike Wheels with ROHACELL® from Evonik
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<strong>CFRP</strong> <strong>Racing</strong> <strong>Bike</strong> <strong>Wheels</strong> <strong>with</strong> ROHACELL® <strong>from</strong> <strong>Evonik</strong><br />
September 3, 2009<br />
These days, some of the world’s premium racing bike wheels have rims<br />
made of carbon fiber-reinforced plastic (<strong>CFRP</strong>) and a special ROHACELL®<br />
foam core, that is a polymethacrylimide rigid foam manufactured by<br />
Essen, Germany-based <strong>Evonik</strong> Industries. Because it is not only<br />
extremely rigid and solid, but also possesses very low density,<br />
ROHACELL® is an ideal material for lightweight, yet durable sandwich<br />
components.<br />
Dr. Ursula Keil<br />
Marketing Support High<br />
Performance Polymers<br />
Phone +49 2365-49-9878<br />
Fax +49 2365-49-5992<br />
ursula.keil@evonik.com<br />
ROHACELL® has particularly high thermal stability and compressive creep<br />
resistance; and it can be durably combined <strong>with</strong> all conventional plastics<br />
by applying heat (up to 190°C) and pressure (up to 7 bar) to manufacture<br />
extremely robust composite materials. Together <strong>with</strong> the rim’s <strong>CFRP</strong><br />
shell, this results in a high-strength rigid, minimum-weight structure:<br />
The front and rear wheels together weigh less than a kilogram. Thanks<br />
to the remarkable characteristics of the material, the wheels are both<br />
light and aerodynamic and highly rigid. As a result, only a small fraction<br />
of the rider’s pedal power distorts the wheels and is thus lost; most of it<br />
is transmitted efficiently to the road surface. More details about this and<br />
other ROHACELL® applications are available at <strong>Evonik</strong>'s Booth, F12 in Hall<br />
4, at the Composite Europe.<br />
Contact:<br />
Dr. M. Alexander Roth<br />
Head of New Technologies - ROHACELL®<br />
Performance Polymers<br />
<strong>Evonik</strong> Röhm GmbH<br />
Kirschenallee<br />
64293 Darmstadt<br />
Germany<br />
Phone +49 6151 18-4555<br />
Fax +49 6151 18-844555<br />
Mobile +49 151-11718378<br />
alexander.roth@evonik.com<br />
<strong>Evonik</strong> Degussa GmbH<br />
High Performance Polymers<br />
45764 Marl<br />
Germany<br />
www.evonik.com/hp<br />
Supervisory Board<br />
Dr. Klaus Engel, Chairman<br />
Board of Management<br />
Patrik Wohlhauser, Chairman<br />
Ralf Blauth, Dr. Thomas Haeberle<br />
Registered Office is Essen<br />
Register Court<br />
Essen Local Court<br />
Commercial Registry B 20227<br />
Page 1 of 2
Figure caption:<br />
The carbon-based material of the lightweight wheels <strong>with</strong> ROHACELL®<br />
foam cores is stronger and more rigid than, for example, aluminum. As a<br />
result, very little of the rider’s power output is lost through wheel<br />
distortion; most of it is efficiently transmitted to the road surface.<br />
(Photo: Focus)<br />
Company information<br />
<strong>Evonik</strong> Industries is the creative industrial group <strong>from</strong> Germany which operates in three<br />
business areas: Chemicals, Energy and Real Estate. <strong>Evonik</strong> is a global leader in specialty<br />
chemicals, an expert in power generation <strong>from</strong> hard coal and renewable energies, and one<br />
of the largest private residential real estate companies in Germany. Our strengths are<br />
creativity, specialization, continuous self-renewal, and reliability. <strong>Evonik</strong> is active in over<br />
100 countries around the world. In its fiscal year 2008 about 41,000 employees generated<br />
sales of about €15.9 billion and an operating profit (EBITDA) of about €2.2 billion.<br />
Disclaimer<br />
In so far as forecasts or expectations are expressed in this press release or where our<br />
statements concern the future, these forecasts, expectations or statements may involve<br />
known or unknown risks and uncertainties. Actual results or developments may vary,<br />
depending on changes in the operating environment. Neither <strong>Evonik</strong> Industries AG nor its<br />
group companies assume an obligation to update the forecasts, expectations or statements<br />
contained in this release.<br />
<strong>Evonik</strong> Degussa GmbH<br />
High Performance Polymers<br />
45764 Marl<br />
Germany<br />
www.evonik.com/hp<br />
Supervisory Board<br />
Dr. Klaus Engel, Chairman<br />
Board of Management<br />
Patrik Wohlhauser, Chairman<br />
Ralf Blauth, Dr. Thomas Haeberle<br />
Registered Office is Essen<br />
Register Court<br />
Essen Local Court<br />
Commercial Registry B 20227<br />
Page 2 of 2
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