This is a foldable bike chainlock. With its compact design, it's easy to carry and store, while still providing the strength and durability needed to protects your bike. Features: Zinc alloy lock cylinder, C-level antitheft, double the difficulty of technical unlocking. Six section folding, strong tensile strength, sensitive joints, and easy locking. Solid alloy steel with thick lock body, sturdy and wear-resistant. ABS rubber wrapping, waterproof, dustproof, and rust proof. Stainless steel rivet connection, easy movement. The lockhead can rotate freely, and the button type unlocking is convenient for locking. Specifications: Color: black, orange (optional) Material: ABS+zinc alloy+alloy steel+stainless steel Total length: 0.8m Fold size: 172 * 45mm / 6.8 * 1.8in Item weight: 503g / 1.1lb Package size: 180 * 60 * 50mm / 7.1 * 2.4 * 2.0in Package weight: 610g / 1.3lb Packing List: 1 * Lock 1 * Wrench 2 * Belt 2 * Keys 1 * Bracket 2 * Screws