The Keeper features a hardened deadbolt that provides extra holding power when subjected to leverage attacks.

• High security disc-style cylinder is pick and drill resistant
  
• End pin-link design secures the chain with the hardened deadbolt
  
• 7mm, 4-sided chain links made of 3t manganese steel
  
• Includes 2 keys
  
• Security Rating: 7 (Testing with independent European testing agencies is in process)
  
• Key Safe Program
  
• Anti-Theft Protection Offer $500 Bike