Anyone know anything about disc brakes?

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  • What do you mean? If the bleed process is done with the pistons further out (using a smaller block) then the whole system will have more fluid and the pistons will 'start' further out, no?

  • I'm pretty sure it'll be fine with whatever is in the reservoir, at least until the pads wear down as there will be enough to compensate for that anyway. I'd just try what I said and avoid putting the bike upside-down.

  • Removing the springs won't help, I mean. Silly reply function, a smaller block should work fine, as will making it think the pads are worn by giving it a squeeze with no rotor.

  • Do you mean take the wheel out now and press the lever? ie. no bleed kit, no open ports, etc?

  • I'll go and kick it test that theory now.

  • Well that was easy.

    Of course I forgot about the dynamo and that pulled out but the lever throw is gone! Much yay, so joy.

    Fuck you discs, I win!

  • Anyone tried the trp spyre flat mount with an SP dynamo? Wondering if the flat mount will mean I don't have a problem with spoke clearance.
    I'm also considering just going hydro so I don't have to deal with all this shit.

  • all this shit

    Amen.

  • deal with a different kind of shit

  • Thank you for working all this out so I didn't have to. Took my new R785s for a blast on Monday, and I swear the levers were this close to bottoming out.

  • Thank him? I suggested it last week or something, I want all the praise. Might be worth topping up the reservoir next time you have fluid to hand but doubt it'll be a problem.

  • You're a gent. I am a disc brake novice, so if I can do it without having to deal with fluid, that would be great.

  • That's what she said.

  • Is it paired with a brake/shifter or a brake levers?

  • Seriously though, just space the rotor out by a mm and all will be well.

  • I used a hope rotor spacer and still had issues. Perhaps i'll try it again. I replaced them with bb7s but my rear bb7 fucked itself so whilst I'm warrantying it I put a spyre back on the rear and it reminded me how much better they feel.

  • SRAM force 22 brifters. Kinda pricey to go hydro.

  • Hm. I used some small washers I found in a box. Not totally sure they were even the same thickness but so far no issues.

  • I did, but left the spacer behind the rotor by accident. There was something else that didn't work optimally with that set up but I don't remember. After landing on my shoulder, fitting flat bars I just thought "fuck it" and bought some SLX hydros for it. Bike looks weird, stops well though.

    On that note... pair of Spyre SLC up for sale real soon...

  • On that I had trouble spacing the rotor outboard as the rotor then moved closer to the fork blade. Damned if I do, damned if I don't. But it all works so I'm not touching it.

  • Ah, that might have been it... Don't think it touched in the stand, but not enough space if any grit/gravel got in there. Stupid plastic forks.

  • Yeah that was my problem exactly as well. At the moment I've got about 1.5mm between spokes and calipers and about 3mm between rotor and fork.

    Stupid plastic forks.

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Anyone know anything about disc brakes?

Posted by Avatar for Sanddancer @Sanddancer

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