Post to IS caliper...
 

[Closed] Post to IS caliper mounting problem - XTR M985 caliper to M965 shifter?

 yan
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Anyone tried fitted a new XTR M985 Post mount caliper to an old XTR M965 flip shift changer - will lever modulation be the same? Just bought some new DTSwiss forks which are Post mount and the old M965 caliper is IS mount with a 160mm disc. Tried various adapters incl from KCNC from Clee Cycles and nothing seems to fit - without a larger disc and big mods to the adapter...


 
Posted : 30/08/2011 2:35 pm
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IIRC new brakes push different amounts of fluid. Not sure if the older levers will work with the newest sort of calipers and vice versa as a result.


 
Posted : 30/08/2011 2:42 pm
 yan
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Thats what I was thinking, wat dod you mean by IIRC?
Cheers


 
Posted : 30/08/2011 4:14 pm
 yan
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ok i see..........


 
Posted : 30/08/2011 4:18 pm
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Would it not be easier & cheaper to go up a disc size rather than trying to change the calipers on your breaks.

Failing that just buy a replacement post mount m975 caliper as i'm sure they're switchable with M965. Rather than pricking about with cross compatability issues with different model ranges.


 
Posted : 30/08/2011 4:30 pm
 yan
Posts: 59
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Juat looking for the easy option really. I was thinking that an m985 caliper would be easier as theyre easily available - although more expensive. I think Post mount M975 are pretty rare. The disc option seems a fair bit of work and not sure if it will work in the end and need to go upto 180mm or even 200mm disc. Its only a lightweight xc big and 160mm is plenty powerful!


 
Posted : 30/08/2011 5:00 pm
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M975 only came in IS i think. The best spec PM caliper would be an XT M775 one.


 
Posted : 30/08/2011 8:09 pm