Shimano splined dis...
 

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[Closed] Shimano splined discs - should there be any 'play' ?

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The rear disc of my new Diverge has a tiny bit of movement when the rear brake is on. The front hasn't. I've taken it off and done the lock-ring up really quite tightly now and it still does it.

Is this OK ? This is my first bike with this sort of arrangement. Going to the shop with it takes a couple of hours out of the day which I haven't really got...

Thanks


 
Posted : 19/09/2015 10:41 am
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I get a little bit of movement on mine. Its annoying, and one reason why normally Id prefer 6bolt.


 
Posted : 19/09/2015 10:45 am
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I've got some 29er shimano wheels with them and I've got no play at all. Mine have some very thin large washers that help take up any play.


 
Posted : 19/09/2015 10:50 am
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None at all on any I've owned/used/serviced.


 
Posted : 19/09/2015 10:53 am
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Play on one of mine. Feels a bit like a loose headset when you squeeze the brake and rock it.


 
Posted : 19/09/2015 10:55 am
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Feels a bit like a loose headset when you squeeze the brake and rock it.

exactly ^ that


 
Posted : 19/09/2015 11:02 am
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Sure it's the disc? Or the pads moving in the calliper...?


 
Posted : 19/09/2015 11:04 am
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def the disc. It's the spline interface, sometimes if the hub/carrier havent been manufactured quite perfectly enough there's the tiniest of movements.


 
Posted : 19/09/2015 11:06 am
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It was after moving the shims on the stem and re-tightening the headset that I discovered it.

Thanks, all. Up with it I will put...


 
Posted : 19/09/2015 11:22 am
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Its quite common and well documented since the advent of centre lock.

One at uper tollerance and one at lower tollerance.

= movement folowed by wear, seems to get "so" bad then stops getting worse.

Preloading with washers makes no odds its a rotational play.

I hate it. I like my 6 bolts , far better design.


 
Posted : 19/09/2015 11:26 am

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