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Ah, ok thanks. I'll stick with the sram crankset.
I'm planning to take the frameset to skinny eric's and have the alignment checked and BB faced before starting the build. Any thoughts on paying the extra for ceramic?
Might also ask them to install the headset too, doesnt seem right to fit a chris king using my standard 'tool'...
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ptr
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I don't think ceramic has any positive effect on reliability or durability.
My SRAM bb (also Italian thread) has done fine. I do have an issue with the interface with the cranks. The thread for the self-extracting bolts is also rough and soft, but that's the cranks fault (thanks SRAM).
This shit would never happen with Shimano (probably).
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Might also ask them to install the headset too, doesnt seem right to fit a chris king using my standard 'tool'...
Happy to be corrected, but I don't think CK will warranty their headsets unless they've been installed by a qualified mechanic. If you've paid near RRP it seems like a false economy not to have it properly installed.
miro_o
hugo7
A similar search on 'hollow tech bottom bracket lifespan' will reveal similar Internet stories of bearing failing prematurely to what you found for SRAM GXP.
External BB life span depends on riding conditions, the sealing of the bearings and the installation .. has the BB she'll been faced so the bearings are parallel, is the preload on the bearings to much etc.