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  1. #1
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    Changing caliper seals from DOT to Mineral compatible

    Hiya,

    Relatively new to the disc world, but I am upgrading the brakes on my disc roadie.

    I'm changing the 2 piston calipers (TRP Dash) to Avid X0 Trail 4 potters.

    Why, ? Because I can and I like to muck around.

    As the Avids use DOT 5.1 and the TRP Parabox uses Mineral oil, I'm changing the caliper piston seals.

    I am chasing down a couple of leads to get suitable piston seals, but if they don't work out, can anyone recommend alternative suppliers ?

    The diameters in question are 14mm and 16mm

    Thanks

    Michael B

  2. #2
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    Good luck with that. Keep us posted.

  3. #3
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    Some leads have come to nix, but pretty sure that I'll manage to do it !!


    Any help would be appreciated though

  4. #4
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    Done it !!!!!!

    Conversion done and all good to a point.

    :|

    Brake fluid and brake pads don't mix .... :roll:

    The rears are fine, but the front still have a bit of contamination, but gradually clearing it up.

    Short flat ride last night, first one for 3 weeks, so may get out again tonight to do some more bedding in.

    So far so good, but took a bit of stuffing around with the bleeding to get it right.

    Hose routing is great, so looking pretty good so far.

    Went for a second ride last night, but this time with some hills. Got rid of some more contamination on the front pads, and they were much better, but in the end, I think there is still some contamination there. Picked up a set of sintered pads from the LBS (coz the resin ones were $7 more !! :?: ).

    Anyway, the end result is ...... BRILLIANT :mrgreen:

    The rear brakes work fantastic, and the front are 90%, but that's due to contamination. The modulation is great, as is the lever feel. Whilst it's early days, I am more than happy with it the end result.

    Phew 8)

















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