1. Antitheft protection: Thanks to the use of an A3 iron lock body, our bicycle lock offers strong defense against lock picks and scissors. It has been extensively tested for shock resistance to ensure maximum protection against theft. 2. PVC protective layer: With a steel and PVC protective layer, this Ubike lock provides extreme theft protection and is waterproof against oil, dust, and other environmental factors to keep your bike safe. 3. Instant Protection: The bike lock doesn't take up space and can be easily mounted on a bike thanks to the portable bracket. The lock is always within your reach and ready to use at any time. 4. Improved security system: Equipped with double antilever technology, this bicycle lock ensures level security. The specially treated core and locking pin increase the difficulty of unlocking, protecting your bike from theft and offering you peace of mind.