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Open 9am - 5.30pm Monday-Saturday / Sunday 10am - 4pm 

Test Rides/Bike viewings -

To avoid disappointment booking an appointment is strongly advised for standard bikes. For ebikes pre-booked appointment is necessary.

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  • Regular price £44.99

    Product Details; 

    The Ultimate 420 radiates a feeling of security simply through its appearance.
    There are locks and there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it, then you don't have to look far. Thirteen millimetres of hardened special steel and aggressive colouring make it immediately clear to any bicycle thief that he has no chance here.

    At the same time, the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle.


    • Hardened 13 mm round bracket
    • The shackle, housing and supporting parts of the locking mechanism are made of specially hardened steel
    • Special, modern design of the lock body sheathing enables optimum handling
    • High-quality locking cylinder for high protection against manipulation, e.g. picking
    • Operation and use:
    • Good protection at medium theft risk
    • Recommended for securing good bicycles
    • The longer the shackle, the easier the bicycle can be locked to a fixed object