I am thinking of buying a new bike. It comes in two versions: one is SRAM rival group + Aksium wheels; the other is ultegra group + Ksyrium equippe wheels.
I rode both groups before and I think either of them will work just fine. Personally I prefer ultegra for the smooth shifting and quiet drivetrain. But the ultegra version is also 500$ more expensive.
However I do have one big concern: it seems like the truvativ GXP bb gets some bad reps online in terms of durability. Apparently it does not roll very smooth and develops creaks after couple thousand miles. So if you have this bb on your bike can you let me know your experinece/milage on this guy?
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