I'm not sure how the linking is proportioned. Like any bike most of the stopping power is done up front. I also went with EBC HH and fresh fluid. It definitely improved braking but to your point, how much rear is linked to the front?
I'm just educated guessing that the main reason they want to link in the rear is to keep that big phat rear end from trying to swap places with the front end in the event you need to haul her down quickly.
I've experimented a little when I ride. 2 fingers pulling in pretty hard and I don't feel the rear end lighten up. But it's a lot of weight up front generally anyway.
I had an opportunity to have a rear passenger. He needed a ride to pick up his Harley. It was in my earlier days of miles. Like the first 200.
So he is probably 200. I'm 230. And I didn't remember to run the pre-load up. So it was very front light in geometry.
The 1st time I went to grab front brake it felt actually dangerously inadequate. But the rear end never felt like it wasn't trail braking.
I remembered to run up the pre-load and it improved braking by 200%. So it's possible the linking is progressive based on the pre-load setting as well. The bike knows what value you have set for pre-load. So it may proportionally move that linking based on Pre-load as a component. Having said that, then that would mean there is a brake module somewhere working all that out.
Or that anti dive plunger is the mechanical coupling. The more the front end dives, the more piston travel. And that is directly linked to the brakes.
I would have a hard time believing Honda went to all this trouble to link brakes, without figuring out how to proportion it through varying circumstances.
I'm not sure of the front/rear ratio on the linked braking either.
Mine is not an ABS bike, and the system is very simple from what I see.
The anti-dive works great on mine as well.
The whole bike felt very stable, but
I will wait and see how noticeable the pad swap is too.