ABUS Granit Extreme 59 The Granit Extreme 59 from ABUS resists cutting and lock-picking to such high levels that potential thieves have no chance. Featuring a double-locking 16mm square parabolic shackle with a hardened-steel construction and ABUS's XPlus cylinder at its core, this extremely protective lock is designed and recommended for protecting high-value bicycles and motorbikes in high-risk areas.Designed and Engineered for Exceptional Durability and Long-liBuilt to provide the utmost security, ABUS has engineered the shackle, lock body and other security dependent parts of this lock to the highest standards. Additionally, it features an XPlus locking cylinder for exceptional resistance to manipulation, twisting and lockpicking while its superior finish guarantees exceptional durability and long-life security.Features: Material: Specially Hardened-Steel 16mm square parabolic shackle Double-locking mechanism securing the shackle in the lock body ABUS XPlus Cylinder Two keys are included (one is LED equipped) Manual cover to protect the keyhole from dirt and corrosion ABUS Code Card for additional and replacement keys U-locks are one of the most difficult lock types to defeat Recommended for protecting high-value bicycles and motorbikesBuy ABUS Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.