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Need help on SID team over XT Disc brake

Old 01-17-06, 09:25 AM
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anzhsb
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Need help on SID team over XT Disc brake

I just install a new SID team and discover that my disc is rubbing the brake pad .. anybody have this issue before ? it only rub on the brake pad when I am ride.

help ... I think I will have some sleepless nite
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Old 01-17-06, 09:28 AM
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Have you had the disc brake tabs faced? If not that could be your problem. Any decent bike shop will be able to do it for you in just a few minutes.
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Old 01-17-06, 09:37 AM
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Yes done that ...
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Old 01-17-06, 09:50 AM
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That should have taken care of the problem, I have the same fork with Marta SL's and have no problem. If it has been faced and shimmed properly you should be fine. If there is still rubbing it is probably something with the brakes or the rotor.
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Old 01-17-06, 10:02 AM
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SIDs are just flexy forks. The new crowns are supposed to help, but they have a ways to go. If you had something burly before, the flex of the SID might be to blame for the rub.

When I stand and sprint on my SID SL by RIM BRAKES rub a bit. Not enough to actually slow me down, but definitely audible and a bit annoying. I have yet to mount a disk on the thing but when I do I expect more of the same.

It's the cost of light weight, probably worth it if speed is your mantra.
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Old 01-17-06, 11:43 AM
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how heavy are you? sids are pretty much a race fork in design. work for some folks as daily trail forks, but if you wiegh more than, say, 140#, it's going to be flexy when riding. small stantion size + small bushings + small arch and crown = flexy fork.

sids are relatively flexy forks in comparison to, well, nearly anything. but, have the disc tabs faced, and a quality job of brake reinstalling to see if that helps. be sure to use a good quality steel wheel skewer as well.
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Old 01-18-06, 12:33 AM
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Just done some diag last nite I am at GMT +8" this is what I found
1. This only happen when I am cycling but not on the bike rack
2. The rubbing sound is not constant, I think the not the entire revolution is touching the pad
3. While I am riding the sound will turn louder when I push the handle to left; but no sound when I push the handlebar to right.

So what I am going to do soon I back home.
1. Will use a marker to mark the entire dick to black color
2. Go out and ring it around my neighborhood but will not use the brake
3. Come back remove the wheel and see which part is rubbing the pad
4. Then 1st adjust the brake gap but if still not help I will trip the pad.

I was using minutes: 01 and now is SID so I am thinking can this be due to pad wear? Like our car when we change the disc but not the pad the pad will make some noise but I can easy fix the problem by slightly trimming the pad.

ps. I am 180# now ... but 3 months ago before I bought my bike I was 210#
my target is 160% b4 1/1/2007
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Old 01-18-06, 12:39 AM
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.. what is shimmed ?
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Old 01-18-06, 09:33 AM
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Originally Posted by anzhsb
.. what is shimmed ?
There are very small spacers (washers) that are used to make sure the brake is aligned perfect. Going by the sounds of it though you may have a warped or bent rotor. That is generally the cause if it is only rubbing in one area of the rotor.
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Old 01-18-06, 09:37 AM
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It could be that the rotor is warped but if it is only when you are on the bike, it is likely due to the fork (or possibly something else) flexing.
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Old 01-18-06, 09:41 AM
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Originally Posted by never
It could be that the rotor is warped but if it is only when you are on the bike, it is likely due to the fork (or possibly something else) flexing.
Or a combination of both.

Only reason I am thinking it's the rotor is because I have the same fork and ride pretty aggressive. Once I got mine set up properly I have had no problem with the brakes. In years past I would have immediately said that it was because of how flexy the SID's were. They are much better forks now though. Still not as stiff as a fox but much stiffer than they used to be.
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