With Trelock armored cable locks, your bicycle is as secure as in a security area. High-strength TREDUR steel cables with ARMADON armor and tamper-proof locking mechanisms guarantee maximum theft protection. The highly flexible cables make these locks easy to store in any backpack. Functional mounting systems are available for securing them to the bicycle. ARMADON 360° Attack Protection: Trelock protects steel cables or locking mechanisms with its own technology: the ARMADON 360º armor. Specially shaped steel bodies encase the "weak points" favored by professional thieves. - Protection against intelligent and brutal break-in attempts - Protection of the locking cylinder and mechanism. TREDUR: The proven standard of resilience: TREDUR steel. A hard outer shell and a tough core – this is the strength of the hardened steel alloy used by Trelock.