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Knog Bouncer U-Lock Bike Lock
inc. VAT
  • Dimensions: 185 x 125 x 35mm
  • Materials: Silicone / Steel
  • Weight: 800g


With a 13mm hardened steel shackle and silicone overmoulded the Bouncer U-Lock is a tough lock that won't scratch or damage your bike. Having been awarded the highest bicycle security SoldSecure Bronze accreditations, the Bouncer is Internationally recognised as a high security U-Lock.


  • Dimensions: 185 x 125 x 35mm
  • Weight: 800g
  • Materials: Silicone overmoulded plated hardened steel U-lock
  • Shackle: 13mm hardened steel shackle


Security Rating: 80/100

Body: Investment cast steel, with compression moulded silicone shackle outer. UV painted exterior.

Scratch Protection: UV resistant Silicone Shackle outer and plastic housing covers

Secure Mechanical Assembly: Entire mechanical assembly encased by plastic outer housings - eliminating leverage points. Hardened steel internal housing protects lock mechanism from external attack.

Double Dead-lock: Double locking mechanism secures both sides of the shackle, providing a robust, high security solution by ensuring the shackle can't be cut once and twisted open.

Lock Barrel Security: High security disk style lock barrel, designed for a minimum of 2500 key combinations.

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

Key Replacement: Each Bouncer is provided with a unique key code. This is fully traceable through Knog if you happen to lose your keys.

Packaging: The Bouncer packaging is made from 100% recyclable material.

Testing: We subject our locks range to a vast array of environmental tests to ensure they are fit for purpose for everyday use. These procedures are undertaken during research and development through to prototype and manufacture. These include: Drop Tests, Impact Tests, Corrosion Testing, Vibration Testing, Extreme Temperature Testing, Cycle Testing.


Our Bouncer U-Locks have been tested and certified by renowned European Agencies for reliability performance. Although there are no official legislations to comply with, we undertake certification testing to assure our customers that the Bouncer is suitably designed for deterence against theft, and can be covered by insurance where possible. Bouncer has received a Bronze rating from Sold Secure.

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