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  1. #1
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    Shimano bottom bracket upgrade...

    I need to replace the bearings on my Shimano Hollowtech II road bottom bracket.
    I was thinking to use the Phil Wood PWX05 (6805),
    Anybody knows if they run smooth like hybrid ceramics ?
    According the information that i fund on the web they are high quality ss bearings at good price,i think is alternative, less expensive choice, to hybrid ceramic.
    If anybody are familiar with them or have another option please advice.
    Thank you.

  2. #2
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    cant really go wrong with phil wood. also check enduro

  3. #3
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    What kind of bike? Unless you're riding a high-end bike built entirely of top-notch hardware, you'll get much better improvement on your ride per dollar spent if you spend your money on other components and just get a 105 bottom bracket.

  4. #4
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    Quote Originally Posted by achoo View Post
    What kind of bike? Unless you're riding a high-end bike built entirely of top-notch hardware, you'll get much better improvement on your ride per dollar spent if you spend your money on other components and just get a 105 bottom bracket.
    Hi achoo,
    My bike is Specialized Tarmac sl (2007),full DurAce 7800,exept the crankset is Ultergra 6650.
    Becuase it's time to change the bb bearings i was thinking to upgrade them....
    Thank you.

  5. #5
    Senior Member
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    '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
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    How long did the OEM bottom bracket last and what are the failure symptoms? Maybe you should have your bb shell faced before replacing it with an other that will also fail rather soon if the alignment isn't good enough.

  6. #6
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    Shimano bottom bracket upgrade..

    Quote Originally Posted by HillRider View Post
    How long did the OEM bottom bracket last and what are the failure symptoms? Maybe you should have your bb shell faced before replacing it with an other that will also fail rather soon if the alignment isn't good enough.
    I use it about 2 years,symptom, a kind of rolling "resistance"...
    I dont know about facing the bottom bracket,i must check it with my local bike shop.
    Thank you.

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