This is the replacement headset for your Giant mountain bike with an Overdrive 2 tapered headtube.
Made specifically to work with Overdrive 2 equipped Giant mountain bikes.
FEATURES
Compatible with 2012+ Giant mountain bikes with 1-1/4″ to 1-1/2″ diameter OD2 tapered steerer tubes
Angular contact bearings
9mm tall aluminum conical top cover
Does not include top cap, top cap bolt, or star nut