Kryptonite New York Diamond Standard Lock Shine Bright Like a Diamond This is Kryptonite's top-tier U-lock for expensive bikes and e-bikes in high-risk urban areas. A diamond-coated shackle is built to resist angle grinder attacks, the tool thieves reach for when nothing else works. Features26mm diamond-coated shackle, double-layered steel that resists angle grinders Hardened double deadbolt, defends against twist and cut attacks Highest-security disc cylinder, pick and drill resistant with a sliding dust cover Flex Frame-U bracket and 3 stainless steel keys, ready to ride out of the box Security rating 10 of 10, Sold Secure Diamond, with 5 years of free ATPO coverage SPECIFICATIONSWeight2. 3 kg | Kryptonite | New York Diamond Standard Lock Black/yellow