This item has been discontinued. View our current bike lock offerings instead. This lock offers extreme bicycle protection with a hardened 18mm MAX-Performance steel shackle that resists bolt cutters and leverage attacks.Oversized, hardened-steel sleeve over crossbarDouble Deadbolt lockingCenter keyway defends against leverage attacksProtective vinyl coatingSliding dustcover protects and extends cylinder lifeIncludes three stainless steel keys (two standard "I" keys and one LED lighted key)Security Rating: 10 out of 10