Secure your bike with the Kryptonite Evolution Series 4 Integrated Chain Lock. Its Sold Secure Gold standard means unmatched protection for your ride. With its new patent-pending Evolution series 4 lock, pick and drill resistance is significantly enhanced, making it a formidable challenge for any thief.Key Features and Benefits:10mm six-sided chain links made from 3T Manganese Steel: This robust chain design significantly reduces the risk of cutting attacks, ensuring your bike remains where you left it.Patent-pending End Link Design: By securing the chain to a hardened deadbolt, this feature effectively eliminates any weak points, vastly improving resistance to tampering and force.Durable weather-resistant nylon sleeve: Not only does this sleeve protect your bike from potential scratches, but it also shields the chain from the elements, prolonging its lifespan.Patented reinforced Oval Crossbar Lock Head: Offers enhanced security by resisting leverage attacks, making it extremely difficult for thieves to breach.Sliding Dustcover: Protects the lock mechanism from dust and debris, extending the cylinder's life and maintaining its effectiveness over time.High-security disc-style cylinder: Its design is specifically made to resist picking and drilling, providing an additional layer of security.Key Safe Program and stainless steel keys: Ensures you can always access your bike, with a LED lighted key for night use and free replacement keys available, enhancing convenience and security.When it comes to bike security, you want assurance that your bike is protected against theft. The Evolution Series 4 Integrated Chain Lock not only meets this requirement with its advanced locking mechanism and tough materials but also offers ease of use and protection against damage to your bike. Its design and features represent a smart investment in securing your property.Ensure your peace of mind by opting for the Kryptonite Evolution Series 4 Integrated Chain Lock. With its high-level security features and convenient design, it's the smart choice for any cyclist looking to protect their bike. Safeguard your ride today.Specifications:10mm six-sided chain links made from 3T manganese steelPatent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerabilityHigh security disc-style cylinder is pick and drill resistantPatented, reinforced oval crossbar lock headSliding dustcover protects and extends cylinder life3 stainless steel keys one led lighted key with replaceable battery and 2 new, ergonomic i keysDurable weather-resistant nylon sleeve prevents scratchesKey Safe ProgramProduct dimensions: 160cm chain lengthAwarded 'Police Preferred Specification' status by Secured by Design, the official security initiative owned by the UK Police ServiceProduct weight: 4.40kg