Terious ZST2

High-tension steel

Ball retainer type semi-integrated headset system

Fully Sealed Mechanism

ZST2-LT: Light alloy longer top cover

Color variation: Silver, Black, Blue, Red, Gold, Green and etc. as option


Technical Information


  Material   Height Information
Compression Ring Nylon Plastic 8.5mm ID 28.6mm
Top Cone SS41 Steel 8.2mm ID 30.6mm/ Pre-assembled Seal Ring
Upper Adapter Cup SS41 Steel 7.6mm Insertion 44.0 +0.1 -0/ 6.3mm depth
Lower Adapter Cup SS41 Steel 7.6mm Insertion 44.0 +0.1 -0/ 6.3mm depth
Crown Cone SS41 Steel 6.1mm Insertion 30.0 +0 -0.1
Lower Seal Ring Nylon Plastic 1.0mm  
Ball Retainer x 2 Carbon Steel Steel #800 5/32" x 22 Balls