MY 18 Giant Propel HD WASHER / SPACER Aero Spacer Overdrive 2 5.0mm (PK 4) BLK

5mm aero headset spacer for OD2 steerers found on MY18 Giant Propel and MY20 Liv EnviLiv models. (16 total available). Part number 1319-318OD2-0001.

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