Consumers should immediately stop using the recalled bicycles, and contact their dealer to receive further instructions and to arrange for a free repair. For more information, consumers may contact Trek at 1-800-382-2453 between 8 a.m. and 5:30 p.m. CST Monday through Friday and between 9 a.m. and 5 p.m. CST Saturday, or visit the firm's recall Web site . Date modified: 2009-05-01