Kryptonite New York 1210 Bike Chain Lock, 3.25 Feet Long Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Evolution Disc Lock and Keys for Ultimate Security E-Bike, Motorcycle, Scooter12mm six-sided, chain links made of 3T HARDENED MANGANESE STEEL for maximum strength. Durable, protective nylon cover with hook-n-loop fasteners to hold in place. Includes Evolution series 4 Disc Lock with 14mm MAX-PERFORMANCE STEEL SHACKLE. Patented*, oval hardened STEEL CROSSBAR for extra security. Hardened DOUBLE DEADBOLT locking for extensive holding power. HIGH SECURITY DISC-STYLE CYLINDER with reinforced anti-drill, anti-pull protection system. SLIDING DUSTCOVER protects and extends cylinder life. 3 STAINLESS STEEL KEYS – one lighted with high intensity bulb and replaceable battery. Product dimensions: 3.25’ (100cm) chain length, 14mm shackle diameter.Kryptonite New-U New York Standard Heavy Duty Bicycle U Lock Bike Lock BLACK/YELLOW, 10The Kryptonite New York Lock Standard U-Lock features a 16 mm hardened max performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock’s disc-style cylinder with center keyway is protected by a vinyl coating and is pick and drill resistant. The keyway also features a sliding dust cover to protect the cylinder from dirt and debris when not in use. It includes three stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking. One of the keys has an LED key fob for added visibility in the dark. Rated at 9 / 10 on our security scale, the New York Lock Standard is good for quick stops in major metropolitan areas and all day & overnight on college campuses, suburbs, and rural areas. It also includes our patented FlexFrame-U Bracket providing convenient multi-location U-Lock transport. The combination of these great features and our support programs including Key Safe, Anti-Theft Protection..