Kryptonite New York Standard Heavy Duty Bicycle U Lock - Secure Bike Lock for Urban Commuting, Parking & Theft Protection - Durable Anti-Theft Bicycle Security for City Riders & Outdoor Use

16mm hardened MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks. Patented*HARDENED STEEL SLEEVE over crossbar for double security. DOUBLE DEADBOLT locking for extensive holding power. HIGH SECURITY DISC-STYLE CYLINDER. Center keyway defends against leverage attacks. Protective vinyl coating. SLIDING DUSTCOVER protects and extends cylinder life. Includes NEW TRANSIT FLEXFRAME-U transportation system which allows for versatile carrying. 3 STAINLESS STEEL KEYS – one lighted with high intensity LED BULB & REPLACEABLE BATTERY.Key Safe Program.Product dimensions: 4” x 8” (10.2cm x 20.3cm).