Kryptonite has the Keeper 512 intended as accessories and components lock for bicycles, not as a main lock to prevent theft of an entire bike. In my opinion is the castle for Zubehöhrsicherung them well suited - light, flexible and no (additional) keys. My two keeper came with a pre-coding, they will come with me to secure motorcycle panniers for use. For the "opportunity thief" they form a sufficient assurance, for example, to tackle a fuel stop with toilet break or a meal in the restaurant with a clear conscience.
One point deduction for not quite as wertig made notches in the number collars.
