How to shorten Deore 615 hose?

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  • How to shorten Deore 615 hose?
  • FunkyDunc
    Member

    Just got my new Deore 615 brakes on the bike and they need seriously shortening.

    I saw a thread on how to do it yesterday and now I cant find it 🙁

    Anyone care to talk me through it 🙂

    Thanks

    Premier Icon cp
    Subscriber

    exactly the same process as all shimano brakes, for which there’s loads of info.

    basically…

    you need a new olive and insert for each hose.

    push the pistons all the way back in

    now pull the brake lever once to push the pistons out a bit

    undo nut at lever being careful not to loose juice

    use a sharp Stanley knife to cut the hose

    put the jut back on the hose

    insert new insert and new barb

    reinsert hose into lever, tighten nut.

    push pistons all the way back in.

    jobs a good un

    mallorcadave
    Member

    Epic bleed solutions have a guide to shortening shimano hoses without bleeding here

    poah
    Member

    you don’t pull the lever

    Premier Icon Scapegoat
    Subscriber

    Yes you do.

    Premier Icon martinhutch
    Subscriber

    The little yellow split block that can be clamped onto the hose makes it a lot easier to get the new insert in. I think you should have got one with the brake, but if not, worth trying to get hold of one or make something similar yourself with a bit of wood.

    therevokid
    Member

    +1 epic bleed’s guide and defo +1 to NOT pulling the lever,
    unlike me … 🙂

    poah
    Member

    Yes you do

    you keep believing that

    mallorcadave
    Member

    If you read the epic bleed solutions guide you DO pull the lever a bit to move the pistons out a touch, this allows you to bleed out any air after you’ve cut the hose by pushing the pistons back in.

    poah
    Member

    you flick the lever, you don’t pull it. that’s ment to move air bubbles to the top of the reservoir

    Premier Icon Scapegoat
    Subscriber

    poah – Member
    Yes you do
    you keep believing that

    No, wait. Now I remember! I pulled the lever a little to get the pistons to move out a millimetre or two so that the system didn’t need bleeding again, and the entire bike burst into a ball of flaming magma and twelve fluffy kittens and a baby robin became orphans.

    And then died.

    What’s even worse, is that despite knowing it was wrong I continued to do it for all four sets of shimano brakes I ever shortened.

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