Guard Bulldog 8012C Combination Shackle Lock+Cable Bike

Convenience and security of BullDog Combo STD with included 4 foot fully coated, braided steel cable for more locking options, safety and peace of mind when locking away your bike. OnGuard's bestselling U-locks featuring best-in-class X2P Double Bolt lock mechanisms and super strong 13mm (0.51") hardened steel shackles for a full circle of protection.


  • High security lock package containing Silver level and additional cable.
  • Bicycle security for high crime areas, with a standard length shackle.
  • 115mm x 230mm x 13mm hardened steel shackle + 120cm x 10mm Cable.
  • XP2 Double bolt locking mechanism provides added strength and high pull resistance by engaging 2 sides of locking bar.
  • New Z-Cylinder is bump-proof and resists picking, pulling or drilling.
  • Set your own 4 digit combination.
  • Steel ball click-combo-gear system offers high security with superior protection from pick and pull attacks.
  • Ultra hardened reinforced sleeve over crossbar and cylinder provides enhanced security protection.
  • Reinforced internal housing increases resistance to twisting and leverage type attacks.
  • NEW Z-Cylinder is bump-proof and resists picking, pulling or drilling.
  • Anti-Rattle bumpers keeps the shackle snug against the crossbar and prevent unnecessary vibration and noise.
  • Quick release multi-position mounting bracket. Will fit 99% of all bikes on the market.
  • The mounting system allows for 360 degree rotation providing the ability to adjust the lock angle to better fit.
  • Double rubber coated protection.
  • Weight 1290g.

Should registration be required for your Magnum Onguard lock please use the following address if you are in the UK.