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  • I need to change my brake cables, which are currently standard type and am considering going to braided compressionless housing. The brake is Shimano BR-CX77 and the recess for the housing is a very snug fit on my current, 5mm, Jagwire housing which has no ferrule.

    My question is do I need a ferrule if I change to compressionless housing? If I do that poses an issue. I wonder if I don't use one, is there a risk the strands are eventually going to start poking through the hole for the inner, thus rendering the brake less effective.

  • Make sure the end of the housing is cut off squarely: you need proper cable cutters but a Dremel will do, side-cutting pliers will just mangle it.

    With a Dremel, the heat can melt the lining and outer, so turn the speed down.

    Either way, a sacrificial length of inner cable inserted from the open end of the housing, will keep it in shape when you cut it.

    If necessary, file the end flat.

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