Protect your bicycle, scooter, or other valuables with a security solution engineered for serious theft prevention. The Bulldog U-Lock combines military-grade materials with advanced locking mechanisms to deliver professional-level protection that gives you peace of mind whether you're locking up at home, work, or anywhere in between.
- X2P Double Bolt Locking Mechanism secures the shackle on both sides for complete 360-degree protection
- Z-Cylinder technology is bump-proof and resistant to picking, pulling, and drilling attacks
- 13mm hardened steel shackle resists cutting, prying, and jacking attempts
- Double rubber coated crossbar protects your bike's paint and finishes from scratches and damage
- Extra thick molded end caps shield against impact and bumps for extended durability
- Rounded design with centered keyway eliminates vulnerable pry points
- 5 laser-cut keys included with advanced technology that prevents unauthorized duplication
- Ultra-high-strength multi-layered construction provides reinforced defense against theft
This model is available in the Standard option, featuring a long shackle length (115mm x 292mm) that accommodates larger frame sizes and provides maximum locking versatility for securing bicycles and scooters to fixed objects.
Ideal for cyclists, commuters, and anyone who needs dependable security for valuable outdoor equipment without compromising on ease of use.
Questions about the On Guard Bulldog U-lock?
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