SOHC.co.uk Forums > CB350/400
Front Brake rotor
K2-K6:
Constituency seems to encompass copper and iron in "metallic" description pads.
For a rough and ready guide of heat, I find they need to be well into "wet your fingers and touch" making a good healthy sizzle to get anything close to purging anything used to clean them.
If you can smell the pad material, then you're probably there or thereabouts :)
Mikep328:
It was exactly as you indicated! The Brembo Ceramic pads had less initial bite than the Vesrah pads with the same pressure (lever squeeze) applied to both. Both pads could howl the tire (just short of lockup) but the Brembo required more pressure to do it. That being said, the increased lever pressure required was well within my capability to squeeze but I prefer the higher initial bite of the Versahs. OTOH, the ceramics seem to have a more linear feel, if that makes any sense, and I think they would be a better pad for track or really aggressive riding. But I think the Vesrahs are better balanced for my 400 and the way I ride.
That being said, I'm not unhappy with the Brembos and am not reinstalling the Vesrahs for our back road 75 mile ride tomorrow. I'll do it when I get in the mood...or maybe I'll just get used to squeezing a little harder!
One point I should have mentioned earlier - the DSS Rotor had a couple of small burrs that put some serious grooves in the one of the Vesrah pads that were on the bike. I hadn't noticed the burrs when I installed/cleaned the rotor, but when I saw the pad when changing I carefully felt the rotor surface/found the two burrs on the same side.
I was not pleased to see that but 5 minutes with some 320/400 wet or dry sandpaper took care of it.
Mikep328:
Did a 50 mile ride to the Cheddar Gorge yesterday; have now decided to put the Vesrah pads back in.
Somewhat related: I've done 4 pad changes in the last couple of weeks and I can't figure out the purpose of the split pin (cotter pin) in the passive side of the caliper ("Caliper B" in the parts list). Only thing I can see that it does is hold the pad in place if you turn caliper B face down while installing. But you don't need to do that to install it. The pad will stay in position just fine as you fit it against the rotor/bolt it in place. So why bother with the pin? Enquiring minds want to know! ;)
McCabe-Thiele (Ted):
Although I've only managed 20 miles on the last 500 ride I did intentionally do a lot of accelerating and firm braking when there was no one following. Without really noticing whilst riding as I turned into my driveway to a full stop in front of our gates they felt they were more effective.
Might be they just work better when hot or they might be starting to bed in - early days for sure.
Mikep328:
I'd bet they are breaking in. Doing the break-in procedure really made an amazing difference on my 400 last year.
re brake pads...a surprising thing to me is that the same EBC FA 013 brake pad fits the 400, 500, 550, and one of the 750 models - at least according to the EBC listing. So the brake assembly was the same on all of them? I would think the heavier bikes would have had "bigger" brakes.
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