[Premium Material]: Crafted from high-grade CNC AL6061 aluminum for superior rust resistance and long-lasting durability, ensuring reliable performance on your bicycle headset. [Precision Engineering]: Expertly machined for a flawless finish and perfect fit with tapered straight fork systems, making it an ideal replacement for worn-out bike headsets. [Integrated Dust Cap]: Features a protective cap to keep out dust and water, preventing bearing abrasion and allowing free rotation for smoother cycling. [44mm 56mm Compatibility]: Specifically designed for 44mm x 56mm bike frame tubes with low-friction face seals on crown races for seamless installation. [Enhanced Performance]: Optimized for minimal friction and maximum efficiency, delivering a responsive and comfortable ride on any bicycle. Features:
:The headset is made of quality material, anti-rust, sturdy and durable, which give a full to your bike.
Good Workmanship:Fine machining ensures sleek surface, fits perfectly with your bike headset.Useful accessory for replacing old headset of bike.  
With Cap:The is good for keeping dust and water away to lengthen the durability. Can prevent the bearing from over-abrasion and make it rotate freely. 
compatible with:The bearing headset is suitable for 44mm 56mm bike frame tube with low friction face-seals on the crown races.
Guarantee:If you have any questions about our products, please send us an email and we will respond to you within 24 hours. Thank you for your interest in our products.

Specifications:
Condition: Brand New
Item Type: Bicycle Headset
Material: AL6061 T6
Color: Black
Model Number: 4456ST
Upper SHIS: ZS44/28.6
Lower SHIS: ZS56/40(30)
(Code is for quick search, not a accurate specifications. Please refer to SHIS(Standard Headset Information System.)
Weight: Approx. 138g

Package List:
1 * Bicycle Headset