Brake rotor friction

Erik Weber yoober at gmail.com
Thu Aug 9 13:08:31 PDT 2007


Yep.

Well, I got the bike straightened after one crash, and it was perfect.
Then I promptly went out and crashed it again. Can't afford it every
time!

Erik


On 8/9/07, randygrein at comcast.net <randygrein at comcast.net> wrote:
> Wow! So we were on the right track, just hadn't thought of bent parts. (grin)
>
> You may want to get the part(s) straightened...
>
> Randy Grein, WMRRA #41
>  -------------- Original message ----------------------
> From: "Erik Weber" <yoober at gmail.com>
> > Randy, I had my bike in the shop yesterday and someone much smarter
> > than me figured out the problem.
> >
> > My front wheel was basically whacked out of alignment and was being
> > pushed over to the side by either a slightly bent fork or maybe bent
> > triple clamps. Also the wheel bearings were slightly pushed out making
> > the problem worse.
> >
> > What was happening was that my caliper itself, not the pads, was
> > rubbing on the rotor on one side! It could have developed into a
> > dangerous situation, as the caliper studs that poke out and were
> > scraping were coming perilously close to the grooves in the rotor.
> >
> > Getting the wheel closer to straight has evened out the caliper
> > clearances. The pads still scrape a little but it's a world of
> > difference now.
> >
> > Thanks,
> > Erik
> >
> > On 6/24/07, Randy Grein <randygrein at comcast.net> wrote:
> > > Eric,
> > > I've had a lot of variance when changing wheels. What seems to help
> > > is to put the bike back on the stands, loosen the caliper bolts and
> > > tap the brake lever several times while spinning the wheel. Then
> > > apply the brake lever and hold it while tightening the caliper bolts.
> > > This seems to get the calipers seated more exactly; may or may not
> > > help with your noise problem.
> > > Randy Grein, WMRRA #41
> > >
> > > On Jun 23, 2007, at 6:35 PM, Erik Weber wrote:
> > >
> > > > Well, that makes me feel slightly better. :) But it bothers me that
> > > > all I did was take the wheels off and have new tires mounted and they
> > > > got worse. I was wondering if something could stop them from releasing
> > > > 100%.
> > > >
> > > > On 6/23/07, Ernest Montague <afm199 at earthlink.net> wrote:
> > > >> dunno but they are scrapy ass loud pads for sure.
> > > >>
> > > >> On Jun 23, 2007, at 4:52 PM, Erik Weber wrote:
> > > >>
> > > >> > I have a 2001 SV650S. I have the RJLs on the front, and they are
> > > >> > probably thicker than normal, so I never thought too much about the
> > > >> > fact that they scrape a little on the rotors and there is some
> > > >> sound
> > > >> > there (with no brake lever pressure). Since the bike will still do
> > > >> > around 130 I figured how much could it matter and it keeps the
> > > >> rotors
> > > >> > clean. :) Today I had the wheels off and now after I have put them
> > > >> > back on, they are scraping a lot more, to the point where when I'm
> > > >> > coasting someone is going to notice it. I did some laps and it
> > > >> was OK
> > > >> > but what is wrong?
> > > >> >
> > > >> > Thanks,
> > > >> > Erik
> > > >> >
> > > >>
> > > >>
> > > >
> > >
> > >
> >
>
>



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