Series 2 Chain

KRYPTONITE Series 2 Chain Reliable, hardened protection for your bike or scooter. The KRYPTONITE Series 2 Chain combines heavy-duty materials and smart design to deter theft while remaining easy to carry. Hardened 9.5mm 4-sided links — manganese steel construction resists cutting and sawing. High-security disc-style cylinder — pick- and drill-resistant locking mechanism for added peace of mind. Weather-resistant nylon sleeve — protects painted finishes and prevents scratches; keeps chain compact for convenient storage. Includes 2 stainless steel keys — durable, corrosion-resistant spares for daily use. Length: 5 ft — versatile reach to secure frames to racks, posts, or solid anchors. Ideal for commuters and urban cyclists who want a balance of security, portability, and finish protection. Backed by KRYPTONITE’s reputation for trusted bike locks.