zapiecie u lock kryptonite kryptolok standard 102cm x 229cmThe Kryptonite New U KryptoLok Standard bike lock is incredibly strong. Made of nearly 13mm thick hardened steel, the shackle has been extended to prevent twisting and tearing the shackle ends from the lock. 12. 7mm reinforced steel headband A new, patent pending system in which the shackle is terminated with two bolts to prevent the ends of the shackle from twisting out of the lock. Reinforced, high security cylinder lock protects against drilling