Secure your bike with the Master Lock 8114D Set Your Own Combination 6 Ft. Combo in Black. This bike lock is made of durable stainless steel and features a painted finish for added protection. With a 6 ft. size and set your own combination feature, this lock provides maximum security for your bike. The lock comes with a limited lifetime warranty and does not require batteries. Perfect for any bike enthusiast, this combination lock is a must-have for keeping your bike safe and secure.