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Knog Bouncer U-Lock

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The super tough Knog U-lock, the high-security, affordable and mighty smooth Bouncer. At only 800 grams the Bouncer packs a punch with its hardened steel housing and 13mm shackle, which is over-moulded with a soft, tactile industrial grade, UV resistant silicone. It won’t mark or scratch your bike but it could kill a thug.

But our Bouncer is much more than a sexy meathead. The lock has an inbuilt high security disk style lock cylinder with 5000 possible combinations and a double deadlock mechanism. For extra security the lock is Sold Secure Bronze accredited & comes with two over-moulded, colour-matched keys.

U-SHACKLE SECURITY : Heat-treated specifically to create balance between hardness (cutting resistance) and toughness (for tensile and impact resistance).

SECURE MECHANICAL ASSEMBLY : The main advantage to a single-piece investment cast lock housing is that it forms a highly-secure mechanical assembly by reducing available points of leverage.

LOCK MECHANISM : Double deadlock mechanism with spring-loaded keyhole

ACCREDITATIONS : The Bouncer is Sold Secure Bronze Rated.

MATERIALS : Silicone overmoulded plated hardened steel U-lock.

 WEATHER RESISTANT : Dust, corrosion and frost resistant

BODY: Investment cast steel, with compression moulded silicone outer. Injection moulded engineering plastic, UV painted exterior


  • EXTERNAL DIMENSIONS : 185 x 125 x 35mm.
  • INTERNAL DIMENSIONS : 120 x 60 x 35mm.
  • SHACKLE: 13mm hardened steel shackle
  • WEIGHT: 850g
  • LOCK BARREL: High security disc style lock barrel with over 5000 unique key variations.