Heavy Duty 4-Foot Steel Bike Chain Lock with 4-Digit Combination

The 712 Integrated Chain is built with a strong end-link locking point to ensure maximum holding power, along with 7mm four-sided chain links made from durable 3T manganese steel. It has been rated a 5/10 on our security scale, making it suitable for quick stops in busy metropolitan areas, a few hours in the suburbs, or overnight stays in rural areas. The lock features a hardened deadbolt design for added security, while the disc-style cylinder is resistant to both picking and drilling. It comes equipped with two new ergonomic "I" keys and a weather-resistant nylon sleeve to protect against scratches. Measuring 120 cm in length and weighing 3.75 lbs, this lock provides peace of mind with its end-link locking point for extensive holding power, 4-sided 3T manganese steel chain links, and a 4-digit resettable combination with over 10,000 possible codes.

product information: