Neco Taiwan H717 1-1/8" Threaded MTB ATB Trecking Comfort Bike Headset 34mm Headtube

Use for 1-1/8" (28.6mm) Threaded Steerer (BC 1-1/8" * 26T) 
Headtube ID.: 34mm 
Crown Race: 30mm 

Stack Height: 40.5mm 
Weight : 165g 
Material: 6061/T6 CNC machined adjusting cone with seals 
6061/T6 forged and CNC machined cups 
7075/T6 CNC machined crown race 
Angular contact sealed bearings 

SHIS NORM: EC34/28.6 | EC34/30