Mountain Bike Ring Lock Anti-Theft Portable Combination Lock Description: Security combination lock; resettable 4-digit combination unlock; won't lose or forget keys 10mm flexible braided steel cable for highest cutting resistance; ideal for securing your bike to a stationary object Chain lock features a 4-position combination lock mechanism for convenient keyless bike locks ideal for bikes, skateboards, gates and fences, grills and lawn mowers, sports equipment, toolboxes, ladders, and more. The flexible steel cable is highly cut-resistant, and the PVC protective coating prevents damage to your bike, helps prevent scratches, and makes it more durable. Even if the shape is not deformed using high-quality solid material, the temperature reaches 40 degrees Celsius. Specifications: Locking Mechanism: 4 Positions Combination Type: Cable Lock Features: Security Material: Zinc Alloy,