Shimano Rear IS to Post Mount adapter

This adapter came with the Shimano M465 disk brakes that are standard on the Giant Anthem X3 2010 in Australia. It is used to run a 160mm rotor on the rear. It can also be used to run a 180mm rotor on the front.

The adapter weighs 18g.

The bolts required are M6 x 18mm with 1.0mm thread pitch.

The XTR IS to post mount adapter is significantly lighter at about 12g - Shimano MA-90 Disc Brake Mounting Bracket.

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