Going from 160 rotors to 183. What Mounts Do I Need??????????

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7 posts & 3 voices | Started 2 years ago by orangerider1970 | Latest reply from Dibbs

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orangerider1970 - Member

as above. XTR IS calipers no mounts at the moment 160 F+R

thanks

Posted 2 years ago #
orangerider1970 - Member

IS to IS Doh!

Posted 2 years ago #
Dibbs - Member

If you use a Rear caliper on the Front you don't need an adapter for 180mm, otherwise you need a +20mm adapter, but that could potentially add flex to the caliper mount causing noisy brakes.

Posted 2 years ago #
orangerider1970 - Member

I heard that a +20mm won't work on 183mm rotors?

Posted 2 years ago #
StuE - Member

Post mount or IS mount forks ?

Posted 2 years ago #
StuE - Member

Hope don't do a IS to IS adaptor for 183 discs you would be better with a 180 disc and these adaptors http://www.chainreactioncycles.com/Models.aspx?ModelID=13736

Posted 2 years ago #
Dibbs - Member

3mm diameter difference is only 1.5 mm radius, there should be enough play in the mounting holes to allow for that.

Posted 2 years ago #

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