The OnGuard Bulldog STD U-Lock delivers dependable everyday security for commuters and city cyclists. Its 13 mm hardened-steel shackle resists cutting and leverage attacks, while the X2P Double Bolt mechanism secures both sides of the shackle for enhanced strength. The Z-Cylinder core protects against picking, drilling, and bumping for long-term reliability. A rubber-coated crossbar and endcaps protect bike paint from scratches, and the included mount bracket makes carrying easy. Dimensions: locked length 275 mm (10.8 in), width 175 mm (6.9 in), crossbar thickness 35 mm (1.4 in). Includes five laser-cut keys (one LED).
- Dependable Daily Security: X2P Double Bolt mechanism locks both sides of the shackle to block prying and twisting, delivering trusted medium-risk bike protection for urban riders.
- Optimized Fit & Portability: 275 × 175 mm (10.8 × 6.9 in) frame offers ample locking reach while maintaining lightweight handling and easy transport on daily commutes.
- Tough 13 mm Steel Shackle: Hardened steel construction resists cutting, jacking, and leverage attacks to keep your bike safe in crowded city parking areas.
- Advanced Z-Cylinder Core: Precision locking core defends against drilling, picking, and bumping for long-term reliability and consistent anti-theft performance.
- Complete Lock Kit Included: Comes with five laser-cut keys (one LED light key) plus an all-tube mount bracket for secure, organized storage on any bike.
