Easy to use: With 2pcs unique keys for every bike lock, no one have the same. You don’t need to use the key to lock, you can just snap it together and go when you lock it. Lubricate the lock hole and keyhole regularly, this will prolong the lock's service timeSecure cable bike lock: Flexible 12mm steel cable prevent your bike from strong cutting, and PVC coating helps to prevent from scratching and rusting.