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  1. #1
    mtbr member
    Reputation: david8613's Avatar
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    May 2005
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    please tell me, did i use the wrong stuff?

    i was bored and repacked a rear hub for the first time. i used the park tools website to do it. i was all happy when i was all done, but then i realized that i used manitou prep m suspension grease, is this bad? should i clean it out and do it with the correct kind of grease or will this be ok?

  2. #2
    Meh.
    Reputation: XSL_WiLL's Avatar
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    Nov 2004
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    Prep M should be alright. It's not quite as thick as some of the other greases. I've been using Prep M to rebuild my Hadley freehubs, and I think that's been recommended for the Hadleys on these forums. I've also pumped my pedal bearings full of Prep M. The stuff isn't cheap though.

    If it's a loose ball bearing hub, I'm not sure if the Prep M will stay in place as well as some other greases. Super Web grease is great for ball bearings.

  3. #3
    mtbr member
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    Jan 2004
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    Should replace it- Prep M is just too thin of a grease for the hub bearings (it may work well for the internals of the freehub) and will probably run out in a short period of time.

    I have tried many different greases over the years and have found that either the Park or Shimano brand greases work the best for me. The worst grease I ever tried was a synthetic from Finish Line- while the grease was waterproof it would not adhere to surfaces very well and you could actual clean it off with water.
    I bike; therefore, I work

  4. #4
    ...idios...
    Reputation: SteveUK's Avatar
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    Apr 2006
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    Another vote to replace. Prep M is not thick enough for wheel bearings, in my opinion. Pedro's Syn would be my choice.

    What use is a philosopher who doesn't hurt anybody's feelings? -
    Diogenes


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