OnGuard Bulldog Combo DT Lock

Our best-selling U-locks featuring best-in-class X2P Double Bolt lock mechanisms and super-strong 13mm (0.51”) hardened steel shackles provide a full circle of protection. Ideal for cyclists and power sport users. Combo U-Lock with cable offers added versatility and security.

X2P ...Our best-selling U-locks featuring best-in-class X2P Double Bolt lock mechanisms and super-strong 13mm (0.51”) hardened steel shackles provide a full circle of protection. Ideal for cyclists and power sport users. Combo U-Lock with cable offers added versatility and security.

X2P Double Bolt Locking Mechanism locks the shackle on both sides for superior pull resistance. NEW Z-Cylinder is bump-proof and resists picking, pulling, or drilling for maximum security. Hefty 13mm (0.51”) hardened steel shackle resists cutting, prying, and jacking attacks.

Rounded design with a centered keyway eliminates potential pry points. NEW double rubber-coated crossbar cover protects your bike’s paint and finish from scratches. NEW extra-thick molded end caps protect against bumps and hits for added durability.