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  1. #1
    No, that's not phonetic
    Reputation: tscheezy's Avatar
    Join Date
    Dec 2003
    Posts
    14,365

    Hydro brake where reservoir is NOT the highest point??

    On mountain bikes with standard bar setups, the hydro tube generally always runs continuously uphill to the master piston and fluid reservoir. Bubbles can always migrate up and escape into the expansion reservoir. What if you had a loop of tubing extending up above the bar noticeably, and the reservoir was down lower, or the brake lever were even mounted vertically (lever down) as with a road bike or some recumbents? You'd be screwed, huh? I have seen hydro systems on recumbent trikes where they were mounted vertically, lever up so the res was the highest point. That makes sense, but I guess you couldn't flip this system over.

    On a closed system (like the Magura HS33 hydro rim brake) all of this would be moot, I guess.

    Thoughts?
    My video techniques can be found in this thread.

  2. #2
    "El Whatever"
    Reputation: Warp's Avatar
    Join Date
    May 2004
    Posts
    18,742

    Agreed....

    Totally.... You would need an automatic bleed valve but this would be prone to small leaks.
    Check my Site

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