from:

http://www.cpsc.gov/cpscpub/prerel/prhtml09/09715.html

The front bicycle suspension fork can break, causing the rider to crash. ... The suspension fork is located on the bicycle’s front wheel. They are white or black. “Magura” and “MD100R” or “MD80R” are printed on the forks.

Magura USA, bicycle stores, and various Web sites including www.magura.com, from October 2007 through December 2008 for about $800.