Heavy Duty Bike U Lock - Super Strong 12 Ton Shear, 20Mm U Shape Lock, S Protection Meets Durability - Discover our Heavy Duty Bike U Lock crafted with an external silicone layer ensuring your bike remains scratch-free. Unlike other products, we've seamlessly integrated the screws within the silicone wrap, keeping them concealed, enhancing both aesthetics and security. Resilience Redefined - Equipped with a robust 0.74-inch shackle constructed from imported zinc alloy, this lock boasts of a 12-ton hydraulic shear resistance. Paired with a heat-resistant and hydraulic shear-proof cylinder, it's designed to stand firm against the most determined attempts, ensuring your bike's safety. Thoughtful Design Quality - Attention to detail is evident, from its 0.1-inch silicone protective cover to the top-quality German lock cores ensuring smooth usage. Additionally, the U lock comes with a dustproof cover that not only protects the lock core but significantly extends its lifespan. Easy Safe Installation - Installation is a breeze with our high-quality mounting bracket. The lock also features a 1.2-inch non-slip pad, ensuring a snug fit when mounted on the bike seat post. Every feature underscores our commitment to providing unmatched security and user experience for your bicycle. Great Gift Idea - This makes a thoughtful gift for anyone with a bike. Especially if they have to park the bike in a public area. Many people are getting several to outfit all their bikes for greater security. This is selling fast after being spotlighted by cycling enthusiasts as a must have up-grade for every rider.