Originally Posted by shelbyfv

FWIW, I installed a GRX crank in my old Bianchi a couple of months ago and it was a noticeably tighter fit than any other HT2 I've dealt with. It took more than a tap to seat it. Also, even w/o spacers the spindle length out the NDS seemed marginal. In your situation, I'd secure the frame, protect the end of the crank and give it a substantial whack.