Just an idea, but did you put the sprocket on the wrong way; ie back to front. This might cause an issue with the spline location.
Or you have bent the shaft tightening it up to 1,000,000 nm of torque.
Best to take a few pictures and post them up. With the spocket off as well.
Or you have bent the shaft tightening it up to 1,000,000 nm of torque.
Best to take a few pictures and post them up. With the spocket off as well.