Lock Kryptonite - Reinforced accaio ring - Double-edged mechanism for further reinforcement - Laminated steel lock with steel body - Size: 50mm Kryptonite ATPO: Anti-Theft Protection Offer ATPO (Anti-Theft Protection Offer): Kryptonite 's theft protection offer A four-letter English acronym, ATPO, to name the offer of protection against theft of Kryptonite; Founded in the United States in 1978, it has been extended since 2016 to 29 countries worldwide: Italy, Austria, Belgium, Bulgaria, Canada, Croatia, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Israel, Latvia, Lithuania, Luxembourg, the Netherlands, Norway, Poland, Portugal, Romania, Slovenia, Spain, Sweden, Switzerland, the United Kingdom and the United States. ATPO is an optional offer to which the customer can register, is not an insurance and is fully managed da Kryptonite. If si suffers theft due to the forcing of the Kryptonitelock, si will be compensated for the basic cost of the bicycle or motorcycle (excluding taxes and accessories) in accordance with the specific ceilings listed or the value of the deductible, if any, in case of insurance coverage against theft. The new ATPO program, activated in 2016, offers coverage up to ad maximum of five years and the following compensation values: up to € 1,750 for motorcycles up to € 4,500 for le bicycles Registration is mandatory if si wants to join the program, it is reserved for adults, it is free for the first year for products with safety level "High" and "Ultimate" (7-10 / 10 safety assessment); for subsequent years the cost varies da $9.99 (2 years) to $24.99 (5 years). For products with "Moderate" security level (5-6/10) costs range from da $9.99 (1 year) to $29.99 (5 years). ATPO is available su U-locks and chains (with ATPO noted on the packaging and sito), it is not available on cables as secondary protection devices. To benefit from this you must register online on the sito Kryptonite within thirty days of the purchase of the lock, providing le the following information: Detailed receipt of purchase of the lock Lock key number (engraved on the key itself) Vehicle information: type (bicycle/motorcycle), basic cost, serial number, copy of the sales invoice (*), vehicle photo. Contact information: name, address, telephone, email Indication of any theft insurance coverage (*) In the case of a used vehicle without a sales invoice, si requires you to provide a merchant's assessment certificate that reflects the current value of the bicycle or motorcycle