Kryptonite Standard U-Lock & Kryptoflex CableThis affordable U-lock from Kryptonite benefits from a 12.7mm durable steel shackle, that protects your bike from theft. It also features a cylinder style locking mechanism to reduce lock breakage. This is one durable u-lock that stands up to bike theft attacks. Convenient, Robust SecurityFor travelling convenience, this lock comes equipped with a Flexframe-U Bracket, which makes mounting the lock to your bike for transport simple and secure; it also features a robust vinyl coating to ensure no scrapes or damage to your frame can occur. This lock is also supplied with a Kryptoflex cable, which enables additional security by looping through bike components and back to the main lock.Features: Material: Shackle: Steel; Keys: Stainless Steel; Coating: Vinyl Dimensions: 10.2cm x 22.9cm Shackle Diameter: 12.7mm Keys: 2x ergonomic design Mount Bracket: Flexframe-U Bracket Cylinder: Higher Security Disc-style Dead Bolt: Hardened Double Deadbolt design Security Rating: Sold Secure Gold Weight: 1.32kgBuy Kryptonite Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.