In cooperation with the U.S. Consumer Product Safety Commission (CPSC), Rocky Mountain Bicycles, of Delta, British Columbia, Canada, is voluntarily recalling about 660 mountain bicycles. The chainstay that holds the rear wheel in place can fail, causing the rear wheel to separate from the bicycle. This can cause the rider to lose control and crash. Specialty bicycle shops sold the bicycles nationwide from January 2001 through February 2002. The “Edge” model sold for about $1,750 and the “Slayer” for about $2,150. For details, visit the firm’s web site at www.bikes.com, or www.cpsc.gov/cpscpub/prerel/prhtml02/02158.html.