OnGuard BullDog Series U-Lock - 4.5 x 9" | Combination Self Care It is backed by SILCA-Shield

It is backed by SILCA-Shield

25-inch casing delivers the volume and compliance needed for off-road confidence on smaller-wheeled bikes

and grime from your chain

fits a standard 2" receiver

Includes 11T guide pulley (upper) and 11T tension pulley (lower)

OnGuard BullDog Series U-Lock - 4.5 x 9" | Combination Self Care It is backed by SILCA-ShieldWhy Is the BullDog U Lock a Top Pick for Cyclists? The OnGuard BullDog Series U Lock is built for cyclists who want serious security without the key fumble. The X2P Double Bolt lock mechanism engages both ends of the shackle simultaneously, making it exponentially harder to defeat than single bolt designs. The 13mm hardened steel shackle provides a full circle of cut resistance, giving you confidence at any rack in any neighborhood. At 4. 5 x 9