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  1. #1
    Senior Member Winfried's Avatar
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    Difference between U/D shackle/lock?

    Hello

    (If this is not the suitable section in the forum to ask a lock-related question, please point me in the right direction or move the thread there)

    After getting my commuter bike stolen, I'm looking for really secure U locks and was told to check the Sold Secure site that tests products in the UK.

    I currently use a folding Abus Bordo Granit X-Plus 6500 and learned how to lock it securely (not leaving space between the wheel/frame and a fixed point), but I'd like to also get a U lock when I need to leave my bike outside until late at night (which was when it got stolen, in a quite lively area).

    For "Bicycle Gold" items, they have "D Shackle", "U Shackle", and "U Lock", and they all look the same.

    Would I be correct in understanding that "D Shackle" is really the tiny one that you should as a lock with a heavy duty chain, while U Shackle and U Lock are synonyms?

    Thank you.

  2. #2
    coprolite fietsbob's Avatar
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    U is open D is closed ..
    Tire/Tyre, center/centre, Aluminum/aluminium ,, Might just be different versions of the same ,
    like the language.

    Get more than one lock, and if they require greatly different tools to defeat then that is better.

    pivo is beer

  3. #3
    tsl
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    Plays in traffic tsl's Avatar
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    The US and the UK--Two countries separated by a common language.
    My two favorite things in life are libraries and bicycles. They both move people forward without wasting anything.
    The perfect day: Riding a bike to the library.—Peter Golkin


    Lucky for me, I work at a library and bike to work.

  4. #4
    Senior Member Winfried's Avatar
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    Thanks, but they use all three expressions on the same site :-/

    I guess they're the same, and small D/U shackles are just meant to be used with a big fat chain.

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