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Kryptonite Keeper Original Std U Lock Level 4 | Chain Reaction Cycles


Keeper 12 Std U Lock

This is an affordable U lock made from 12mm hardened steel and vinyl coated so it protects your frame. This should be used in conjunction with a cable lock to secure the entire bike.

As a leader in action sports security and the creator of the original bicycle u-lock in the bicycle security category in 1971, Kryptonite offers premium quality security products.


  • Sold Secure Bronze
  • An affordable U lock for moderate crime areas
  • 12mm hardened steel shackle
  • Reinforced collar over keyway for increased protection
  • High security disc style cylinder
  • High security Bent Foot design
  • Includes side mount and snap-in bracket
  • 2 stainless steel 'I' keys that are more ergonomic and reduce the amount of torque being applied, to stop them bending or breaking

Buy Kryptonite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.



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