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Re: Why can't I find bulk hydraulic hose? [Tom A.]
Tom A. wrote:
Slowman wrote:


yes, i know that SRAM requires their own stealthamajigs and olives; and shimano likewise. but are you saying you can't use a single hose source for both SRAM and shimano? because, if so, that's news to me. is that so? you can't use jagwire hose for which? SRAM or shimano?

by the book, every time you disconnect the line, you must cut off the part of the hose that's crimped - that contains the olive and needle...


Actually, I thought the point of the stealthamajig was that you DON'T have to cut the end of the hose off. The needle, with it's external threads that are no larger in diameter than the hose itself, stay in the end of the hose. The special olive, with internal threaded portion, just unscrews and screws onto the end of the needle sticking out of the hose.

So, if needing to, let's say, mount a new handlebar with internal routing, then one just unscrews the olive and does the re-route. Then a new olive is screwed on prior to reconnecting.

I understand this doesn't address your concern with lengthening a hose, but I just thought I'd point out that your "every time you disconnect the line, you must cut off" statement doesn't apply to that particular product.

One can also un-thread the needle from the end of the hose as well and replace it with a new one, if that's necessary...


i don't believe that's true. however, i can ask SRAM, again, and report back. however, this is from the designated person at SRAM, the person i'm supposed to ask, and this is a reply from this person the last time i asked:

"YES. You do need to use a new olive and Stealthamajig every time. The olive needs to crush under the 8Nm pressure of the compression hose nut, in order to deform and create a tight seal. Theoretically the barb is fine, but there’s no easy way to peel off a deformed olive off if it once it’s been mashed. You’d have to cut that whole bit off the end of the hose. The length of the barb is just under 12mm total- with the threaded end that enters the hose being about 8mm… so each time you remove this bit from the end of the hose, you’re cutting about 8mm from the hose at the very least."

Dan Empfield
aka Slowman
Last edited by: Slowman: Sep 10, 20 10:39

Edit Log:

  • Post edited by Slowman (Empfield) on Sep 10, 20 10:39