I dont think so, but some of us determined fooles just gotta do it. I'm glad I did. (Hey there's a poll for a count.)
I've installed a lot of aftermarket brake lines, but I'm not very familiar with the linked brakes on the VFR. I have very limited experience riding with the system too. I was curious if those who did it find it to be a noticeable improvement or otherwise.
It probly goes more with riding styles. My roots are in motocross so separate brakes are ingrained in my brain. True or not, I feel I have more control over the what is going on. If I want front only, I can do that, and if I want rear only or a blend, I control how much and when. Thats what I like. (The RC51 calipers are great)
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Call for gig again -- did you get what you need?
Interesting point. I don't have any motocross background and rarely touch my rear brake. On track, sometimes I use it to settle the bike before using the fronts aggressively for a turn. I agree, I like the RC51 calipers, but I am a huge Brembo fan and have had my best results with them.