🔐 Lock it down, ride with peace of mind! Features a HARDENED CROSS BAR DESIGN for enhanced durability and protection. Engineered with a 13mm hardened MAX-PERFORMANCE STEEL SHACKLE to thwart cutting and leverage attacks. Equipped with ANTI-RATTLE BUMPERS to ensure a quiet ride. Includes a 4’ KRYPTOFLEX DOUBLE LOOP CABLE for securing your front wheel or accessories. Comes with the NEW TRANSIT FLEXFRAME-U system for easy and versatile transportation. 13mm hardened steel 4ft flex cable High security cylinder The Kryptonite KryptoLok Series 2 Standard Heavy Duty Bicycle U Lock is designed for ultimate security, featuring a 13mm hardened steel shackle and a 4ft flex cable. Its reinforced crossbar design and high-security disc-style cylinder provide top-notch protection against theft, while the anti-rattle bumpers ensure a quiet ride. The innovative Transit Flexframe-U system allows for easy carrying, making it the perfect companion for any cyclist.