Kryptonite Messenger Mini+ Plus Wheel Extender Heavy Duty Bicycle U Lock Bike Lock 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 WHEEL EXTENDERprovides secondary protection for front or rear wheel ReinforcedCUFF OVER CROSSBARand cylinder for added security HIGH SECURITY DISC-STYLE CROSSBAR BENT FOOTSHACKLEdesign for ease of use Center keyway defends against leverage attacks 2 STAINLESS STEEL KEYSwith coiled wrist key chains Key Safe Program Product dimensions: 3.75 x 6.5 (9.5cm x 16.5cm) 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 Wheel extender provides secondary protection for front or rear wheel 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 Key Safe Program