Extra long chain that is actually strong will literally weigh a tonne, be super awkward to handle and damage your bikes. It will also be crazy expensive!
You would be much better off using a commonly available super long cable. And then D-locking each bike to the next or to fixed anchor.
Extra long chain that is actually strong will literally weigh a tonne, be super awkward to handle and damage your bikes. It will also be crazy expensive!
You would be much better off using a commonly available super long cable. And then D-locking each bike to the next or to fixed anchor.