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  1. #1
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    Sealed Mechanism

    I have just got a new haro f4 and it says that the bottom bracket is seal mechanism does that mean its got seal bearings

  2. #2
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    Most likely; that'd be a real cockup if they were referring to the dustcovers for unsealed bearings as seals.

  3. #3
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    yeah it could be, ive got dustcovers on the bearing on my back hub now

  4. #4
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    Sweet, you got an F4, that's awesome! I have an F3 2004 Haro, so you must have gotten the new line (2005) right?


    No one in this world can be perfect, therefore practice makes experienced.

  5. #5
    Senior Member BMXTRIX's Avatar
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    No, they are referring to dust covers. Odds are good that the bearings are in a bearing race and there is a cover over the bearings that is held in place by your crank bolts that uses pressure to keep dirt and crap out of the bearings.

    It's a relatively cheap way to do things, but works alright. I am surprised they have that instead of sealed bearings though.

  6. #6
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    yeah its a 2005 haro f4 my brother said that it might have sealed bearigs inside the cups instead of having the cup and bearings joined togther

  7. #7
    Gimpy
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    Haro Backtrail three frame with oddysee hazard lite cassette, dk 4-peice bars, crappy fsa nastyboy cranks, tank headset, sun ringle pedals, profile sprocket, mosh stem, ODI rouge grips, Primo wall tires, Diamond back fork and a few mosh parts
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    The new f4 have the same cranks as the backtrail x3 and the mirra 540. They are sealed. I aint full of it eather. The f 3 uses unsealed. My friend knows his haro's also to e-mail him ray_almighty@hotmail.com. Also check the web and look at them.
    Shizzle dizzle!

  8. #8
    Senior Member BMXTRIX's Avatar
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    The x3 is sealed mechanism also. The Mirra 540 uses a different crank. Check Haro's website for details.

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