Chorus has both the classic threaded and the newer threadless headset in the group. Whichever one you use depends on the fork you buy. There is a small weight and some stiffness advantage to the threadless model. However, there is no difference in their smoothness.

for unthreaded fork tube

• height 24.5mm
• patent pending system
• steel cover and light alloy fixing screw

Available Options:
Size:	1"