Shimano rotors - Ic...
 

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[Closed] Shimano rotors - Icetec vs Non?

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As title,

These;
http://www.chainreactioncycles.com/Models.aspx?ModelID=67197

vs.

http://www.chainreactioncycles.com/Models.aspx?ModelID=39007

Much difference (apart from cost)?

Ta, Duane.


 
Posted : 07/12/2012 10:44 pm
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OK apparently the RT76s are aluminium/steel mix, so how are they different to the Icetechs? Are they not layered?


 
Posted : 08/12/2012 12:05 am
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Oh dear.

Icetechs can melt.


 
Posted : 08/12/2012 1:31 am
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The only report I've seen of icetechs melting is the german magazine one, but they used an unconvincing lab test to do it... Has anyone ever managed it in the real world?

Not that convinced it's a good idea myself, dissimiliar expansion rates seem likely to increase the risk of warping. Kind of seems like a solution to a problem that doesn't exist, overheating brakes is rider error most of the time and bad hardware most of the rest of the time.


 
Posted : 08/12/2012 1:49 am
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The RT76s are a steel brake track and an aluminium spider to save some weight, not layered like the RT86. I've not heard anything bad about the icetech ones, but I've never had a problem with my 76s either.


 
Posted : 08/12/2012 1:56 am
 mrmo
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The only report I've seen of icetechs melting is the german magazine one, but they used an unconvincing lab test to do it... Has anyone ever managed it in the real world?

read the ctc mag, they got one to melt on a tandem


 
Posted : 08/12/2012 9:28 am
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Northwind - Member

Not that convinced it's a good idea myself, dissimiliar expansion rates seem likely to increase the risk of warping.

This.

I assume Shimano know what they're doing, but it does sound like a bad idea to me.

Have RT76s on all my bikes, recommend them thoroughly.


 
Posted : 08/12/2012 9:59 am
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The ice tech just avoid/reduce fade on long decents, if your ridding somewhere like the Alps apparently a good idea, most UK DH and trails probably won't benefit as the non ice tech are still very good paired with XT brakes. I ride the non ice tech and I've never noticed any fade anyway with my XT's or previous SLX.


 
Posted : 08/12/2012 10:08 am
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mrmo - Member

read the ctc mag, they got one to melt on a tandem

Under what conditions though? Just everyday riding? Long dragging on a descent? What I'm getting at is, is it relevant? Any brake can be made to fail if poked with the right stick


 
Posted : 09/12/2012 5:52 pm
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Ended up going with the M76s, fair bit cheaper and sure they'll be OK.


 
Posted : 09/12/2012 5:58 pm

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