OnGuard Bulldog Mini DT 8015CThe OnGuard Bulldog Mini DT 8015C uses a Steel Ball Click-Combo Gear System offers high security with superior protection from pick and pull attacks. The X2P Double Bolt Locking Mechanism locks shackle on both sides. Set your own 4-digit combination, there are 10,000 variations, so no keys are forgotten or lost. The 13mm Ultra-hardened steel shackle resists bolt cutters and leverage attacks. There is a double rubber coating on the handle to prevents scratches. Includes the mounting bracket. This lock comes with a $1501 bicycle anti theft offer. See Onguardlocks.com for details.768661283018