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Shimano SM-MA90-R180P/S Rear Disc Brake Mount Adapter

Item: SH-MA90R180-BASE
$14.99
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Update
This adapter enables you to mount Shimano post mount calipers to International Standard (IS) frames. While this adapter is specifically designed for XTR-M985/988 disc brakes, they can be used on all Shimano 74mm-caliper brakes.
  • Rear brake use only
  • 180mm rotors only
  • Includes mounting hardware
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