Built for urban riders who demand lightweight security without compromise, the Ultra 410 Mini U-Lock offers powerful protection in a compact, easy-to-carry design. Whether you're locking up outside the cafe or at the station, trust its hardened construction and smart locking system to keep your bike safe. 12 mm Hardened Steel Shackle resists cutting and sawing for reliable security in high-risk areas Double-Bolt Locking Mechanism secures the shackle at both ends for added resistance to force attacks Hardened Lock Body and Internal Components offer high strength and tamper resistance High-Security Cylinder provides excellent protection against picking and manipulation Ice Spray Tested for durability against extreme cold-weather attacks Includes SH34 Mounting Bracket for convenient frame attachment (fits 24-35 mm tubes) Sold Secure Silver Rated to meet rigorous independent theft-resistance standards