Shimano would be Hollowtech 2 though, not GXP (should work as well). 9 speed crankset with 8 speed drivetrain should work, shimano will tell you otherwise though.
Had a feeling that will work,i read few feedback online and they said it does...
@AlphaOmega started
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Shimano would be Hollowtech 2 though, not GXP (should work as well). 9 speed crankset with 8 speed drivetrain should work, shimano will tell you otherwise though.