Featuring a classic, sturdy, and safe design, the ABUS Ultra 410 is the ideal entry-level U-lock. Looks can be assuming because this simple lock has high tech security features. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks. When combined with the Cobra Cable, no average theif stands a chance. Protect your bike today!