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Ohlins 25mm parts?

Discussion in 'Tech' started by some guy #2, Apr 30, 2014.

  1. some guy #2

    some guy #2 Well-Known Member

    Found a cut o-ring inside my 25mm kit which sits on top of the top out spring. Do I order a new one from Ohlins USA or is this just a generic rubber o ring?

    It's not very apparent to me how to remove the top out spring to replace this o ring either. Any help would be appreciated.
     
  2. kman0066

    kman0066 Well-Known Member

    Not sure on that particular o-ring, but I have called up Ohlins USA directly and ordered replacement parts for my shock before. Just have your part # and application ready, then they will be able to help get you what you need. Parts prices were very reasonable...at least for the parts I ordered.

    And more to the point, I would go with the Ohlins o-ring. O-rings are usually pretty standard things, but their allowable heat range and particular chemical resistance can vary, best to go with a known good product for all the few dollars it should cost.
     
    Last edited: May 1, 2014
  3. RM Racing

    RM Racing Tool user

    O-ring or a bump rubber?
     
  4. some guy #2

    some guy #2 Well-Known Member

    It looks like an o ring but it sits on top of the to out spring. I assume it is being used as a bump stop though.
     
  5. some guy #2

    some guy #2 Well-Known Member

    Ohlins USA was very helpful. Any regular o ring will work (12mm ID and 4mm thick). The rebound valve is held on with loctite so I'll attempt to heat it up and break it loose.
     
  6. some guy #2

    some guy #2 Well-Known Member

    And McMaster Carr has these bad boys in stock! The local hardware store had some close SAE ones though.
     
  7. goodmatt78

    goodmatt78 Well-Known Member

    I see those O-rings cut and/or out of place all the time. Yeah, buy some extras from MMC and replace at service. They are just a poorly designed bump stop.
     

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