Advertise on Bikeforums.net



User Tag List

Results 1 to 4 of 4
  1. #1
    Senior Member
    Join Date
    Jan 2005
    Posts
    841
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Question about Avid brakes

    We recently replaced the pads on our Avid mechanical disc brakes. It concided with a major placement adjustment due to a change of wheels. We are not able to set the pads to a point where they do not rub but still grab when needed.

    I am sure I am overlooking something... any ideas?

    Thanks

  2. #2
    hors category TandemGeek's Avatar
    Join Date
    Jan 2002
    Posts
    7,155
    Mentioned
    0 Post(s)
    Tagged
    1 Thread(s)
    Pretty much what is covered here:

    Disc Brake Drag

  3. #3
    Senior Member
    Join Date
    Jan 2005
    Posts
    841
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Thanks TG.

    We tried all that. The problem, i saw yesterday, is that the pad from the left side is not "springing" back out after brakes are released. Is there any lubrication that I could do?

    Thanks

    We have the auxiliary spring on the outside and the internal tension to the max.

  4. #4
    hors category TandemGeek's Avatar
    Join Date
    Jan 2002
    Posts
    7,155
    Mentioned
    0 Post(s)
    Tagged
    1 Thread(s)
    Quote Originally Posted by cornucopia72
    Is there any lubrication that I could do?
    No lubes around a disc brake... You can wash the caliper with soapy wate and then rinse with clear water, but that's about all that's needed for regular light maintenance.

    I would double check your cable run to make sure it's not dragging anywhere and while you have the cable disconnected operate the Avid's actuating arm by hand to make sure that the movement feels smooth and doesn't lag or bind. If it does, remove the pads and operate the thing to see if that makes any difference. If that solves the problem, just reinstall your pads and check it again, putting a close eye on the pad.

    If it still feels balky while the pads are removed, wash it again with the pads still off and if you have a compressor use a strait tip to blow-dry the assembly and then check again.

    If things still aren't working smoothly, you'd need to pull the actuating arm apart as I'd suspect that something -- grit, grime, etc -- may have worked its way into threaded cam channels. Pretty unusual for a road bike unless it's seen a lot of use in really wet and gritty conditions.

    Here's a link to the overhaul manual that outlines the step-by-step procedures for doing full-blown maintenance on the Avid: http://www.sram.com/_media/techdocs/...ul%20Guide.pdf. There's only one speciality tool required and if you have a really good bike shop nearby that deals with a lot of mountain bikes you may be able to borrow theirs. Hopefully, just a good cleaning and check of your cables will yield the solution to the balky performance. It's really rare that a road caliper needs any maintenance beyond cleaning and pad replacement.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •