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Better Brakes - Finally!

32K views 65 replies 30 participants last post by  Toothless675  
#1 ·
So, I've been fighting a squishy front brake feel since I bought my '08 (they stopped the bike fine). After trying every bleeding trick in the book (multiple times), I gave up and decided the problem must be in one of the components. My final setup is an Brembo RCS19 master, '06 R6 calipers (cheap on ebay), and custom Spiegler lines. This setup has given me a very firm lever - but not as firm as a full Brembo setup. An added benefit is that the monobloc R6 calipers & fixing are a little lighter than the Nissins. I swapped the master first & even though I liked the adjustability / features, it didn't really help too much. The R6 cals are what helped the most - maybe only b/c they're a better design & easier to bleed, but I was able to get them bled on the first try. (I'm 99% sure the stock calipers had some kind of "issue".) Swapping the calipers is not for the faint of heart - needed to fab spacers and specify the brake lines & fittings. If anyone's interested, I can provide the details / measurements of my setup.
 
#46 ·
Has anyone done the R6 Caliper conversion and NOT upgraded the lines and/or master cylinder???
I got my R6 Calipers today and it seems pretty clear that my stock lines are NOT going to work (Too Short). At one point I thought there might be a way to make them work if they were re-routed and the fittings on the ends could be bent, but I don't think that is the case, hence my question.
After all the trouble I have had with the stock brakes on my 09+ I would love to upgrade to a Brembo MC but there is no way I can afford it right now. If I have to buy new lines that is not only going to cost me more money but keep the bike parked even longer (and the weather here is awesome), not to mention the learning curve on ordering lines.
I'm hoping one of you can tell me that you did the switch without anything but R6 calipers and spacers (and tell me how you did it), but I'm not optimistic. :-/
I can post pictures if it's needed (and someone can tell me how to post them)
 
#48 ·
You need to remove the sleeves from the R6 calipers. The easiest way to do this by putting them in a vise and crushing them. You will need to buy custom spacers to replace those sleeves. There should be another thread with the link to the source.
You will also need to buy new custom brake lines from Spiegler.
 
#56 ·
New question! For those who have made this change, was there a marked reduction in the brake drag with the new calipers? The main reason I'm attacking the brake system on my Daytona is I've lost brakes twice on track due to overheated brakes from excessive drag. I've rebuilt everything I could disassemble related to the brake system, but it still doesn't seem to make much difference. I recently replaced the m/c with an R1 brembo unit, so calipers seemed the next logical step.
 
#62 ·
So many formulas to have amazing brakes...

Start witha brembo RCS master
brembo, galfer or braking rotors
good pads
your stock claipers are more than up to the task! but could always swap to countless other models brakes.. hell could even opt for the brembo monoblock's off the suzuki's pretty sure they are 108mm.
 
#63 ·
Gotta agree with JD. I have the Brembo RCS MC and Braking SK2 rotors. My brakes are great. Huge improvement in feel with the Brembo RCS. The only downside to the stock calipers is the pad drag at high speeds. I'm still too slow on the track for it to be a significant impact. Better riders than me would probably appreciate the M4 calipers.

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#64 ·
#65 ·
check if your caliper mounts on your forks have a larger diameter inset machined into them. If yes, then those spacers pictured would work (get the 3mm spacers if you have stock rotors); if not, then you need spacers with the "shoulder" (raised inert) on one side only to fit into the r6 caliper and flat mount on the fork...hope that makes sense. Either way, Zoran can get them for you.