I've got a question.. is there a size difference between the 2001-2003 F4i and the 2004-2006 model?

here is the ebay link:

http://cgi.ebay.com/ebaymotors/Front...spagenameZWDVW

 

I do not know anything firsthand, but I wouldn't trust non-branded ebay brand brake rotors. That's just me though. As for the size difference, I don't think so, but I have never checked. I do know that RR rotors do not work on an F4i though, if that was the case, I would have a set of Alth's on mine right now.

 

What's a rotor? I flat peice of metal that the pads grip to. It's not like it's an SRB O-ring or anything. As long as the metallurgy is decent, it mounts properly and it floats correctly, I'd do it.

 

That's true JB, however, I would not trust necessarily that the rotor was machined perfect. Rotors have very strict tolerances for the planar surface. If it was only a piece of metal, rotors would be much cheaper then they are. Hell, if they were just a flat piece of metal, we'd all be cutting our own out and using a floating button kit. Rotors are machined very precisely for certain braking and to perform a certain way. Would you buy a no brand tire off ebay? I mean after all, it's just rubber?

Not trying to be insulting, but c'mon, rotors are not just a piece of flat metal.

 

Really? I can make a rotor out of SAE 1018 and give it to you. Let me know how it works out for you when it breaks into a few pieces while your trying to stop. Thats the secret Metallurgy is probably not decent. It would be interesting to compare the two. I wouldn't do it.

 

If anyones got some bent ones I would be willing to take them from you to check them out.

 

How hard it is, really? I'm not a metal worker or machinist, but If the rotor is flat, what's the big deal?

 

i inquired about another seller on ebay and asked a few people who had purchased them, one guy bought them used them on his street bike and then used them on his trackbike.... said they worked really well and he would reccomend the...

 

please let know as it turns out, i could be next to buy them
i have cheap brake rotors on my car and they rule!

 

I noticed in one of the pictures that it says min thinkness is 4mm...a stock F4i is 3.5mm. Will this make a difference?