Sturdy and Durable The folding bike lock is made of super strong, sturdy aluminum alloy, cut and shear resistant, and has high torsion and tensile strength. Design Foldable The 26-joint foldable lock can be rotated 360 degrees, which is easy to fold and makes it more convenient to install and carry. Folded dimensions 7.4 x 7.4 x 5.3cm. Expanded size: 85cm With 3 Keys 3 keys for more comfort! You can use one of the keys for daily use and leave another key at home, in case you accidentally lose a key. The key cannot be removed in the locked state to avoid losing it. Protective Layer The chain is made of waterproof and dustproof ABS rubber paint, which can effectively protect it from rust, oxidation and corrosion . This can greatly prolong the life of the lock and prevent damage to the bicycle frame. Multi-purpose Ideal for bicycles, skateboards and fences, fences, Motorcycles and skateboards. Folding Bike Lock Bike Lock Expand the lock area. Specification: Material: Aluminum alloy Folding size: 7.4 x 7.4 x 5.3cm Open lock length: approx. 85cm Weight: 730g