Kryptonite Messenger Mini Bicycle U-Lock Total Package w/WheelNutz Complete locking solution Secure front wheel with WheelNutz 11mm hardenedMAX-PERFORMANCE STEEL SHACKLEprovides a lighter weight lock with the same security as the Evolution Mini 5, 7, or 9 Increased shackle dimensions allow for flexibility with lock-up ReinforcedCUFF OVER CROSSBARand cylinder for added security HIGH SECUIRTY DISC-STYLE CYLINDER BENT FOOTSHACKLEdesign for ease of use Center keyway defends against leverage attacks 2STAINLESS STEEL KEYSwith coiled wrist key chains Key Safe Program Complete locking solution Secure bike frame and rear wheel with Mini Secure front wheel with WheelNutz 11mm hardened MAX-Performance steel shackle provides a lighter weight lock with the same security as the EV Mini 5, 7, or 9 Increased shackle dimensions allow for flexibility with lock-up Reinforced cuff over crossbar and cylinder for added security High security, DuoCore cylinder Bent Foot shackle design for ease of use Center keyway defends against leverage attacks 2 stainless steel keys with coiled wrist key chains