Giant headset 1"1/8 - 1"1/4 OverDrive1 (OD1)

For Giant bicycles with a fork slider of Ø28.6mm (OD1).

Not suitable for Ø31.8 (OD2) fork sliders.

Made by Tange-Seki model Technoglide (GIANT)

Carbon upper spacer.

Lower bearing: int Ø 34mm, ext Ø 46.8mm, H 7mm, 1"1/4 45°

Upper bearing: int Ø 30.2mm, ext Ø 41.8mm, H 6mm, 1"1/8 45°

Part number