Originally Posted by
tomtomtom123
Well, he says he's got 46/34T on his FC-R8000, so assuming the FC-RX600 46/30T has the exact same chainline....
It doesn't and that's the issue with GRX discussed earlier in this thread and elsewhere. I expect we'll see some reports soon, since the cranks are finally available. I think OP posted that he had one on order so maybe we'll hear about it shortly.