setting up and caring for a Phil Wood Eccentric Bottom Bracket (EBB)- Mtbr.com
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  1. #1
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    Smile setting up and caring for a Phil Wood Eccentric Bottom Bracket (EBB)

    I have a mountain bike frame with an oversized BB shell with a Phil Wood eccentric BB, which is held firm by two set screws that come in from under the bottom bracket shell. I have never used an EBB before. I need some advice:

    - how much torque should be applied to the two set screws to hold the unit in place?


    - What is the best way to rotate the unit (especially when bike is fully built)?


    - Is there a best position to start with (when a new chain is fitted)? For example, should it be rotated towards the chainstays (eg. 3 o'clock position) to allow for maximum adjustment?


    - Is there any maintenance I need to carry out on it? I have some Ti prep paste to put on the set screw threads, but should I use a locktite-style paste? Does the EBB ever need to be removed/greased/etc?


    Thanks guys.

  2. #2
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    HELLO hello hello....
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    Just type if you can hear me.
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  3. #3
    Bro Mountainbiker
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    The frame manufacturer is going to be your best bet when getting torque specs for the frame/bb. Best to take it from the source, not just some rando on the internet.

    Also, I would start with the bb position further rear than the 3 o clock. You will have to compensate for chain wear.

    I cant help with any of you other questions but consider it a thread bump!
    Sheepo
    Raised in a Chicken-Coop by Chickens

  4. #4
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    Thanks mate. It's a start! I've sent the questions to Indy Fab....
    Last edited by mat-with-one-t; 10-05-2011 at 03:51 PM.

  5. #5
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    agree with Sheepo regarding bolt torque settings
    best way to rotate the unit is using a pin spanner thing like the Park Tool Co. SPA-1 : Pin Spanner
    I personally find starting at about 6oclock is best that way you can increase or decrease chain tension if required

    cant comment regarding ti paste or loctite sorry
    best of luck with singlespeeding

  6. #6
    Let's ride
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    I would use loctite on the screws.

    I use teftlon tape on the EBB to prevent squeaks.

    Setting it at 6 is a good thought. Some set it at 12 to get more pedal clearance.

    I rotate the EBB with a 3-4mm allen, poked thru the CR and then I rotate the crank to turn the EBB in the direction I need it to go.

    With my Niner One9, I'd guess 5 ft/lbs on the screws is enough. My frame is Scandium/Alu.

  7. #7
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    Thanks guys! I'm on it!

  8. #8
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    Quote Originally Posted by rensho View Post

    I use teftlon tape on the EBB to prevent squeaks.

    Is this in lieu of any grease or in addition?

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