The OnGuard RockSolid U-Lock provides unbeatable security for your bicycle, motorcycle, or powersport vehicle. With a proprietary coating that resists angle grinder attacks, this lock is designed to withstand the most common methods of theft. Featuring a 14mm shackle and X4P Quattro Bolt locking mechanism, it secures at four points to maximize protection against pulling, jacking, and prying. Despite its robust build, it weighs only 3 lbs, making it easy to carry without sacrificing security. The lock comes with five keys and an Anti-Theft Protection for bicycles and powersport vehicles with proper registration and qualification. With OnGuard RockSolid, you can lock up with confidence knowing your vehicle is protected by top-tier technology.