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Old 20-04-07, 12:31 PM   #1
CB1ROCKET
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Default Brake Disc Loose.

I believe this is not normal as my brake disc on the front offside is loose from the rivets holding it in place.

What do I do? Get a new disc or is it possible to get the disc re-rivetted?

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Old 20-04-07, 12:33 PM   #2
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Default Re: Brake Disc Loose!!!

I wasn't aware they are riveted in place. Bolts yes, but rivets?
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Old 20-04-07, 12:35 PM   #3
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Default Re: Brake Disc Loose!!!

the bolts are to bolt the disc to the wheel. The rivets are to hold the disc to the carrier.

Bahp: I thought you would knew it not a one piece disc??!

hehe
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Old 20-04-07, 12:38 PM   #4
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Default Re: Brake Disc Loose!!!

These are "Floating disks" the button connectors allow a little movement so that the braking surface can meet the pads exactly square on. A small amount of movement from side to side is normal, a large ammount is not, find a bike of equivelent age and see what they're like compared to yours.
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Old 20-04-07, 12:43 PM   #5
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Default Re: Brake Disc Loose!!!

its moves from forth or arft, not side to side, weird
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Old 20-04-07, 12:56 PM   #6
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Default Re: Brake Disc Loose!!!

Quote:
Originally Posted by jambo View Post
These are "Floating disks" the button connectors allow a little movement so that the braking surface can meet the pads exactly square on. A small amount of movement from side to side is normal, a large ammount is not, find a bike of equivelent age and see what they're like compared to yours.
A doubt they are fully floating discs, that's a bling racing item. What the difference is in practice (and regard to this problem) I'm not sure however.
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Old 20-04-07, 12:57 PM   #7
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Default Re: Brake Disc Loose!!!

the disc are flat, floating discs have an offset distance from the carrier, i stand to be corrected
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Old 20-04-07, 01:35 PM   #8
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Default Re: Brake Disc Loose!!!

The carrier will usually be flanged but the disc will fit in line with the perimeter of the carrier.

these are floating discs...

http://www.stealthproducts.co.uk/products/gallery.php

They shouldn't move fore and aft whatever disc type you have as that would seem to defeat the object of the brake.

Sounds like they knackered or the fixings are. How old are they?. Never heard of that kind of problem. I have floating discs and although they move under load as others have said I doubt you could move them by hand.

If they are floating discs it could just be the fixings between disc and carrier. they are normally held by circlips so you can replace the disc only keeping the existing carrier. Stealth supply see above link.

best bet is to remove your wheel and the disc and inspect, sounds dodgy to me.
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Old 20-04-07, 01:55 PM   #9
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Default Re: Brake Disc Loose.

The movement you have found is quite normal with SV discs and is there in order to allow the pad track to expand and contract without affecting the carrier and causing distortion and excessive runout. As long as the movement isn't excessive, (when cold the disc can move a surprising amount), it's not a problem. there should be no axial movement although in reality when cold it's not unusual to find that there is, but just perceptibly.

The SV is not fitted with floating discs.

Quote:
Originally Posted by CB1ROCKET View Post
the disc are flat, floating discs have an offset distance from the carrier, i stand to be corrected
The term floating discs has nothing to do with whether the disc is flat or dished, merely meaning that the disc and carrier are able to move axially in relation to each other.
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Old 20-04-07, 02:33 PM   #10
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Default Re: Brake Disc Loose.

The discs are 2 and half years old - the same discs since the bike was new, and i really don't fancy buying "bling" discs for 300 quid lol hehe
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