Bike Chain Lock, 5 Digit Combination High Security Bicycle Lock Resettable Heavy Duty Cycling Chain Locks for Bicycle - 0.6m

High Strength Alloy Steel Chain: The inner chain is made of 5.7mm high-grade alloy steel and offers high resistance to cut, saw and drill, making your bike not stolen and the chain not broken. Nylon Cover Protection: Durable nylon cloth cover is wear-resistant. Prevent the metal chain from scratching the paint of your bike and keep the chain bike lock away from the water or rain, without rusting. Keyless Secure Lock Mechanism: The bicycle lock has 5 types digital combination code it can easily to lock without a key. So you don't have to worry about losing the key and not being able to open the combination bicycle locks. Easy To Set Combo: Default code is 00000.Turn the plastic knob 90 degrees clockwise to the designated position, then set a new code. Then turn the knob back to the original position.The new password is set successfully!