Kryptonite Messenger Mini+ Plus Wheel Extender Heavy Duty Bicycle U Lock Bike Lock

11mm hardened MAX-PERFORMANCE STEEL SHACKLE provides 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 EXTENDER provides secondary protection for front or rear wheel. Reinforced CUFF OVER CROSSBAR and cylinder for added security. HIGH SECURITY DISC-STYLE CROSSBAR. 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.Product dimensions: 3.75” x 6.5” (9.5cm x 16.5cm).Wheel extender: 3.25" x 3.75" (8.3cm x 9.5cm). Product weight: 2.51lbs (1.14kgs).