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BB30 or GXP

Old 10-16-13, 08:56 PM
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Cycledanv
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BB30 or GXP

I want to upgrade my 2008 Felt z25 roadbike to SRAM Force 22. In buying the new group I need to choose between GXP and BB30 for the crankset. Also for the bottom bracket I need to choose BB30' GXP, pressfit Bb86, pressfit 30. How do I determine what is compatible with my frame. Thanks
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Old 10-16-13, 09:08 PM
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surreal
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If Bikepedia is to be trusted, you have a regular BSA-style BB shell, so you'll need the GXP version, with a GXP BB to match.

HTH
-rob
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Old 10-16-13, 09:50 PM
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gruppo
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Originally Posted by Cycledanv View Post
How do I determine what is compatible with my frame
Why not just call Felt tech support?
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Old 10-16-13, 10:06 PM
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Cycledanv
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Thanks. I should have also added that crankset is shimano 50/34 if thats relevant
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Old 10-16-13, 10:22 PM
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surreal
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More relevant is that it apparently came with a hollowtechII bb, which would indicate that it's a regular threaded BSA BB. 2008? Yeah, that makes sense. Cannoindale started that BB30 nonsense in 2000, but not a whole lot of manufacturers were using it yet in 2008, as far as I recall. Anyway, if it's a 2008 and it's got shimano cranks, you can rest assured you got a "brit" bb shell, and the gxp is your only option, out of those listed in the OP.
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Old 10-17-13, 07:03 AM
  #6  
badbikemechanic
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Originally Posted by Cycledanv View Post
I want to upgrade my 2008 Felt z25 roadbike to SRAM Force 22. In buying the new group I need to choose between GXP and BB30 for the crankset. Also for the bottom bracket I need to choose BB30' GXP, pressfit Bb86, pressfit 30. How do I determine what is compatible with my frame. Thanks
I had nothing but problems with my bb30. It squeaked and squawked and no amount of loctite would get rid of the sound. I converted to shimano outbearing with a FSA conversion, and absolutely no problems.
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