The most advanced steerer tube technology in today’s Giant bikes. Designed to offer unprecedented front-end steering performance, the system’s oversized headset bearings (1 1/2” lower, 1 1/4” upper) and tapered steerer tube work in harmony to provide supreme steering stiffness.
目前捷安特最先进的加大车首强化设计,提供前所未有的车操控性能,综合了OVERDRIVE系统的加大头碗组(下为1 1/2"上为1 1/4")与锥形前叉转向管,提供绝佳的操控刚性