Giant OverDrive MTB Headset 1 1/8" to 1 1/2"

Giant OverDrive MTB Headset 1 1/8" to 1 1/2" Giant OverDrive MTB Headset Giant's OverDrive headset is designed for tapered head tubes with a 1.125" top and 1.5" bottom. Suits bikes with a tapered head tube and steerer tube Tapers from 1 1/8" to 1 1/2" (1.125" - 1.50") Sealed top and bottom bearings Part no: 490901.

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