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  • Shimano XTR Mount Adaptor Rear IS M985
  • Shimano XTR Mount Adaptor Rear IS M985
From $12.49 - $15.49
  • RRP$20.99
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Rear 160mm
Rear 180mm
  • IN STOCK(5+)

  • right This item ships to United States of America
  • right Shipping amount : $9.99
  • right 365 DAYS to return or exchange
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Genuine Shimano replacement caliper mount, designed to run a Post mount with an IS Mount

Features:
• Constructed from lightweight durable alloy
  • Colour: Black
  • Size: Rear 160mm, Rear 180mm
1 Question : 1 Answer

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IS to PM

Hello I have just bought a bike with rear post mounts , I would like to fit my xtr m975 brakes but the rear caliper is IS will this adapter work .

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2 months, 2 weeks ago
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Ballaugh,GB
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Answers

Answer: 
This is a Post to IS adaptor (to mount a Post Mount caliper to an IS frame mount). You need an IS to Post adaptor such as the Hope adaptor linked below. Because of the shape and sizes of the two systems the smallest possible shape is a +20mm mount. On the front, this would mean it has to be a 180mm rotor, though with a standard post-mount on the rear a 160mm will be fine.
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