I'm new to all this, so this may be a stupid question; I have seen alot of aftermarket, or later model brake calipers on cb 550's just wondring if any one has put on calipers and rotors from a early 90's cbr 600. I like the size of the caliper, and would like to machine cbr rotors to fit my bike but will I run into offset/ clearance problems with the spokes on my wheel? Any information would really help out this newbie!