ZTTO 4444T Bicycle Headset

ZTTO code: Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter + Fork tube     

("44" for OD УИ44,"T" for Tapered Tube fork)  

ZTTO code is for quick search,not a accurate specifications.Please refer to SHIS(Standard Headset Information System)

ZS44/28.6

EC44/40

If you have any question about headset standard,Please google "headset standard park tool" or contact us 

MATERIAL: CNC MACHINED AL6061 T6

SEALD BEARING

WEIGHT: About 126g