Rust-Preventive Bicycle Storage Bag Both commuter bikes and high-end racing bicycles are susceptible to rust. Protect gears, brakes, shifters, and bicycle components with a Zerust Cover. Fits all single rider upright bicycles. These rust-inhibiting enclosures fit all single rider upright bicycles, and will provide 5 years of rust protection for your bike while it's being stored. Simply clean and dry your bicycle according to the manufacturers recommendations (check owner's manual). With the Zerust logo imprint facing inward, put the bag over your bicycle and zip it up. Your Zerust Rust-Preventive Bicycle Storage Bag if handled and used correctly, will provide maximum protection for 5 years from the date of first use. How to use your Zerust Rust-Preventive Bicycle Storage Bag