If you're tired of dealing with keys, the Shackleton bike lock is here to save the day. With the ability to program your own four-digit code, you can easily open the lock without the need for keys each time. The Shackleton features a silicone overmold for enhanced grip and protection, ensuring durability in various environments. Equipped with a quick, push-button release shackle, this lock provides convenience while keeping your bike secure. With a security level 5 rating, it offers reliable protection against theft attempts. The shackle size measures 95mm x 170mm, providing ample space to secure your bike to different objects. The Shackleton lock includes a frame mount for easy transportation and weighs 2 pounds, making it a reliable and convenient option for safeguarding your bike.