The OnGuard Bulldog Mini U-Lock delivers full-size Bulldog strength in a compact, travel-friendly design for urban riders. Crafted from 13 mm hardened-steel, it resists cutting, leverage, and prying while the X2P Double Bolt Mechanism secures both sides of the shackle for maximum holding power. The advanced Z-Cylinder core defends against drilling, picking, and bumping attacks. Its co-molded crossbar cover and rubber coating safeguard bike finishes, and the compact 190 mm x 155 mm (7.5 x 6.1 in) frame provides reliable protection without extra weight. Ideal for commuters, couriers, and e-bike owners seeking portability and performance, the Bulldog Mini includes five laser-cut keys (one LED key for low-light use) plus a universal mounting bracket for on-the-go storage and quick access. Compact Strength: 13 mm hardened-steel shackle and compact 190 x 155 mm (7.5 x 6.1 in) frame deliver pro-level protection in a portable size. Dual Locking System: X2P Double Bolt Mechanism secures both sides of the shackle for superior resistance to pulling, twisting, and prying. Advanced Security Core: Z-Cylinder technology prevents bumping, drilling, and picking for dependable long-term defense. Protective Crossbar: Co-molded rubber cover and rounded edges prevent scratches and shield paint from damage. Keys & Mount Included: Supplied with five laser-cut keys (one LED key) and a universal mounting bracket for easy carry and daily use.