The fork's serial number is located on the back of the lower part of the fork leg. Mach 5 forks with serial numbers less than 5100086500 have outer leg castings that should be replaced. Forks with serial numbers between 5100086500 and 5100149464 should be professionally inspected by an authorized Answer Products retailer. If necessary, Answer Products will replace castings at no charge to the consumer. Bicycle dealers worldwide have sold the Mach 5 forks as original equipment on over 27,000 Trek, Fisher, Diamondback, Marin, Mongoose and other high-end bicycles.
Consumers can also return the fork to the store where purchased for free replacement.
Mach 5 forks with red dots on the inside of the drop out have been inspected and are not subject to this recall, regardless of serial number. All Mach 5 forks with serial numbers greater than 5100149464 do not need further inspection and are not subject to this notice. The U.S. Consumer Product Safety Commission protects the public from the unreasonable risk of injury or death from 15,000 types of consumer products under the agency's jurisdiction.