Description
ZTTO 4455ST Bicycle Headset
ZTTO code: Upper cup/Bearing outside diameter+ Lower cup/Bearing outside diameter + Fork tube
44 for OD ø44,55 for OD ø55,Sfor Straight Tube ,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
ZS55/4030
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
Due to Product batch,the colors of crown race and bearing will be different.But it won't have any influence on its performance.
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