This OnGuard bike lock is a reliable and durable option to keep your bicycle safe. Measuring 6 feet in length and .47 inches in diameter, this cable lock is perfect for securing your bike to a post or rack. The lock mechanism is a combination that ensures your bike stays secure while you're away. The black color and steel material give it a sleek and sturdy look. This model, 5574, is perfect for those in need of a cable lock.