This affordable U-Lock provides peace of mind when parking in high theft areas, while the added cable helps to keep wheels with your bike where they belong. Additionally, the mounting bracket included with the ABUS Ultra 410 U-Lock ensures your lock is with you when you need it. Hardened 12mm round shackle The shackle, body and the structural parts of the locking mechanism are made of specially hardened steel The special, modern design of the lock body casing allows for optimum handling High-quality locking cylinder for a high level of protection against tampering, e.g. picking