Bicycle Maker Huffy Files for Chapter 11  CHICAGO (Reuters) - Huffy Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HUFC.PK target=/stocks/quickinfo/fullquote"&gt;HUFC.PK&lt;/A&gt; filed for Chapter  11 bankruptcy protection Wednesday, as the 76-year-old bicycle  and sporting goods company struggles with mounting losses and a  heavy debt load.