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 bad influence on its performance.
![](http://ae01.alicdn.com/kf/HTB1.PBEKf5TBuNjSspmq6yDRVXar.jpg)
![](http://ae01.alicdn.com/kf/HTB1QpcImRnTBKNjSZPfq6zf1XXa6.jpg)
![](http://ae01.alicdn.com/kf/HTB1LMSCc6fguuRjSszcq6zb7FXaW.jpg)
![](http://ae01.alicdn.com/kf/HTB1B7rTmGAoBKNjSZSyq6yHAVXaC.jpg)
![](http://ae01.alicdn.com/kf/HTB1ySFCfCYTBKNjSZKbq6xJ8pXap.jpg)
![](http://ae01.alicdn.com/kf/HTB1KAi2fyMnBKNjSZFCq6x0KFXao.jpg)
![](http://ae01.alicdn.com/kf/HTB1rBWAq_JYBeNjy1zeq6yhzVXak.jpg)
![](http://ae01.alicdn.com/kf/HTB13HrCaoz.BuNjt_bXq6AQmpXaG.jpg)
![](http://ae01.alicdn.com/kf/HTB1An6disyYBuNkSnfoq6AWgVXae.jpg)
![](http://ae01.alicdn.com/kf/HTB1NbH6n1uSBuNjy1Xcq6AYjFXao.jpg)