• A work colleague suggested rather than the traditional bleeding with 2 syringes and doing the vacuum thing, you can just flush the system by pushing 2/3 syringes through from the calliper, is this bs and surely not perfect?

  • That how I do it, easier and quicker too (especially in a shop where time = money), push in the oil, once the cup on the brake lever is half full, tighten the bolt on the caliper while pushing (but not too hard otherwise you'll make a mess).

  • I have been looking at them all way too much recently and shimanos cup way looks best imo. Also spending ages flicking the syringe before you start so the air goes out of the fluid and the hose as you do it so it can go up and out. Lastly pumping the brake constantly to do some sort of "burping" so the air bubbles come out.

    https://www.youtube.com/watch?v=DsqlEYJeLQU

    https://www.youtube.com/watch?v=nypZiLC1_Z8

  • I presume you're talking about Avids?

    I was going to tell you how and why I bleed lever down but I've just remembered (it's been a while since I went near Avids) that that's impossible due to Avid's lack of bleed nipple so I can see why you'd go that way.

    @edscoble are you talking about the yellow Shimano cup or the reservoir being half full?

    @alasdairw I can't imagine getting all the air out within one reservoir's worth of fluid so going that way with Shimanos where you can attach the yellow cup might be clean enough but on anything else it's gonna be hella messy.

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