Giant’s original oversized fork steerer tube technology. Designed to provide precise front-end steering performance, the system’s oversized headset bearings (1 1/4” lower and 1 1/8” upper for road, 1 1/2” lower and 1 1/8” upper for mountain) and tapered steerer tube work in conjunction to provide optimal steering stiffness.
捷安特第一代的加大車首強化設計，為提供精準的車首操控性能而設計，綜合了OVERDRIVE系統的加大頭碗組（公路車下為1 1/2"上為1 1/4"，登山車下為1 1/2"上為1 1/8"）與錐形前叉轉向管，提供絕佳的操控剛性
蘇公網安備 32058302002032號
