zapiecie lancuchowe kryptonite kryptolok 095cm x 110cmThe Kryptonite KryptoLok bike lock features 9mm thick square links made of triple hardened manganese steel. The direct connection between the chain and the hook further enhances security by eliminating the weak link in the security system. cylinder insert with protection against drilling and twisting a durable nylon cover prevents scratches on the paintwork lock protected against attempts to pry and drill 2 keys included