I ordered a pair of used OEM rotors for my CBR, supposedly in excellent condition. Should I replace my pads when I get the new (to me) rotors? The pads are still in pretty good shape but I'm not sure if they will "mesh" with the new rotors.
Mixed responses from several sources in my head...
Short answer is no. You can always help them seat by doing 6-8 60mph-5mph slows over and over again... or flat sand the pads and then do that... or bead blast the brake dust off the rotors and then do that and/or buy new pads...
But I'm going with no. You don't need to buy new pads. Track days aren't cheap. Use what you got.
My pocket book is "deflated". I'm currently selling goodies to pay for more track days. So, if I don't really need to buy pads I would prefer not to. However, if it is necessary then I will place the order.
Ehhh I just swapped out some calipers from the track bike with the ones on my street bike. I just left the brake pads in it and they are fine against the rotors that are on it. I am also going to be putting some used wave rotors on it too. LOL
I'm looking at a couple of different pads when it comes time. I am looking at EBC HH and Carbone Lorraine XBK / SBK5. So, what do you all think, what do you run? These will be for track only.
I don't think you need new pads... but anytime you put pads (new or used) on ANY used rotors, I would scuff/clean the rotors with some 400 -> 600 -> 800 -> 1000 grit sandpaper.
As long as the pads are clean and the rotor surfaces are clean, you're fine. Some 400 grit on the pads and rotors or some denatured alcohol to clean them up never hurts, but not necessary. Ive done it. you might get some squealing at first.
Whenever you get a new set of pads, you should always hit the rotors with some abbrassive (I personally use Scotchbrite) to remove any pad material. This provides a clean smooth surface for the new pad to bed to.
The same applies, therefore, for swapping in a new set of rotors. The pads you have on there now are bedded (mated) to the grooves on the current set of rotors and therefore will not be a perfect match to the surface of the new rotor.
Your best bet IS to get a fresh set of pads and follow the recommended bedding procedure. That being said, the pads you have now will work, they just wont be perfect. As someone suggested above, you could follow the bedding procedure to get the pads to match up better with the new rotors. I have always used the 30/30/30 method which is 30 stops, from 30mph to 0mph, with 30 seconds in between each one. You could also lightly sand the surface of the current pads to remove any microscopic grooving and flatten them out which will better help them mate with the new rotors.
If your pocket book is deflated & pads are still good then why would u buy new pads? Especially at a first timers pace on the track. I'd save money for more trackdays then upgrading your bike unless of course it really needs new pads & rotors
Did you have a look at the front wheel? I had pulsating under hard braking with my bike at the track which I stupidly assumed had to be the rotors. I bought a new set only to find that the pulsating was still there! Turned out to be a bent front wheel that when replaced got rid of the problem immediately.
EBC HH pads are great compared to any stock brake pad I have ever tried. They will make more of a difference to your stopping ability than braided lines. I have proven this on all of my bikes.
If your bike is track only get some race pads! I've never understood why people use road pads on dedicated track bikes. If you circulate at a decent pace then imo HH will not be up to the job and will fade quickly. They do for me!
Best pads I've used are Performance Friction but Bendix MRR are equally good. I have also used them on the road and founnd they are fine for that also. Last ages, never fade, work in wet...what's not to like...oh, the price is a little steep but brakes are the most important thing....B-)
Speaking of rotors and pads. I just replaced all 4 rotors and pads on my pickup truck today. This are big heavy rotors too and it only cost me $225 for everything. That's about half of what a new set of the dinky little OEM front rotors go for. Just don't seem right to me.
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