529 Garage Bicycle Registration Kit (US Edition) - Four Bike Kit In less than 5 minutes, the 529 Garage Bicycle Registration Kit will help you capture the critical information about your bike and establish ownership, helping you maximize your claim with insurance and recovery efforts with police in the event of loss. The included 529 Shield stickers provide an additional unique identifier for your bikes, making it easy for law enforcement and unknowing buyers trace your bike back to you if it was stolen. The 529 Shield also warns would-be bike thieves that your bike has a whole community looking out for it. 529 Shields are tamper-resistant and weather-resistant.