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  1. How an e-bike lock works: shackle, bolt and cylinder

    What's inside a bike lock, and what stops it opening: the shackle, the locking bolt and the key cylinder, in plain words for new owners.

  2. U-locks, folding locks, chains and cable locks by type

    The main kinds of bike lock and how they differ in build, from rigid U-locks to folding plates, chains, cables and ring locks.

  3. Lock security ratings explained

    What rating marks from testing bodies like Sold Secure mean, what they leave out, and why e-bikes can have their own category.

  4. What to lock an e-bike to: frame, wheels and anchors

    Which parts of the bike and which fixed objects police and city pages say to lock, and which anchors to avoid.

  5. Why e-bike theft advice differs from ordinary bike advice

    Does an e-bike change what theft guidance says? A look at what police and rating bodies add for e-bikes: value, batteries, two locks.

  6. Frame locks (ring locks) and how they pair with other locks

    What a built-in rear wheel lock does and doesn't do, and how a plug-in chain or a separate U-lock completes the job.

  7. Finding and recording your e-bike's serial number

    Where the frame number usually sits, how to record it, and why police and bike registries ask for it before a theft happens.