Features: Premium security bike lock featuring hardened alloy steel folding plates (5 8mm) with precisions key cylinder (low mutual opening rate) and compact foldable for easy storage and transport on bike frames. Double protecting systems folding lock offer rigid anti thefts with soft touches coating to protect paint, while the 8 12mm manganeses steel chain lock with PVC/nylon jackets provides flexible anchoring to poles; both feature weatherproofed covers. Essential for commuters and riders needing reliability thefts deterrence for bicycles, e bikes, or motorcycles during short trips, campus use, or city errands. Ideal for varied environments use the folding security bike lock in low risk areas (residential zones/campuses), and deploys the chain lock with 0.8 1.8m length option for robust security in high risk public spaces. Enjoy simple installation and long term value both folding and chain locks attach without tools, feature modulars replaceable cores/links, and deliver durability, cost effective protecting for years. Specifications: Color:Two Choices Dimension:17.2×14×4.5cm/6.77×5.51×1.77in Component:ABS+alloys steel Package Includes: 1pc Bicycles folding lock note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.