OnGuard's Bulldog STD boasts a 13mm-thick hardened-steel shackle and OnGuard's stout X2 double-bolt lock that resists drilling, picking, bumping and pulling for top-notch protection. And thanks to the included mounting bracket you can bring the Bulldog along for every ride. This great U-lock also comes with 5 keys including OnGuard's Microlight key, which has a built-in light.
Dimensions: 4.5 x 9 inches
OnGuard's Dual Steel-Bar locking mechanism delivers 6 tons of pull strength.
All OnGuard locks feature integrated covers for protection from moisture and dirt.
OnGuard locks feature plastic, rubber or vinyl at all contact points to protect your bike's finish.